| Value | Category | 
                                    
                    
                        | 00000 | NIU (not in universe) | 
                                    
                    
                        | 10000 | Africa | 
                                    
                    
                        | 11000 | Eastern Africa | 
                                    
                    
                        | 11010 | Burundi | 
                                    
                    
                        | 11020 | Comoros | 
                                    
                    
                        | 11030 | Djibouti | 
                                    
                    
                        | 11040 | Eritrea | 
                                    
                    
                        | 11050 | Ethiopia | 
                                    
                    
                        | 11060 | Kenya | 
                                    
                    
                        | 11070 | Madagascar | 
                                    
                    
                        | 11080 | Malawi | 
                                    
                    
                        | 11090 | Mauritius | 
                                    
                    
                        | 11100 | Mozambique | 
                                    
                    
                        | 11110 | Reunion | 
                                    
                    
                        | 11120 | Rwanda | 
                                    
                    
                        | 11130 | Seychelles | 
                                    
                    
                        | 11140 | Somalia | 
                                    
                    
                        | 11150 | South Sudan | 
                                    
                    
                        | 11160 | Uganda | 
                                    
                    
                        | 11170 | Tanzania | 
                                    
                    
                        | 11180 | Zambia | 
                                    
                    
                        | 11190 | Zimbabwe | 
                                    
                    
                        | 11999 | Eastern Africa, other or n.s. | 
                                    
                    
                        | 12000 | Middle Africa | 
                                    
                    
                        | 12010 | Angola | 
                                    
                    
                        | 12020 | Cameroon | 
                                    
                    
                        | 12030 | Central African Republic | 
                                    
                    
                        | 12040 | Chad | 
                                    
                    
                        | 12050 | Congo (Republic of) | 
                                    
                    
                        | 12060 | Democratic Republic of Congo | 
                                    
                    
                        | 12070 | Equatorial Guinea | 
                                    
                    
                        | 12080 | Gabon | 
                                    
                    
                        | 12090 | Sao Tome and Principe | 
                                    
                    
                        | 12999 | Middle Africa, other or n.s. | 
                                    
                    
                        | 13000 | Northern Africa | 
                                    
                    
                        | 13010 | Algeria | 
                                    
                    
                        | 13011 | Algeria/Tunisia | 
                                    
                    
                        | 13020 | Egypt/United Arab Rep. | 
                                    
                    
                        | 13021 | Egypt/Sudan | 
                                    
                    
                        | 13030 | Libya | 
                                    
                    
                        | 13040 | Morocco | 
                                    
                    
                        | 13050 | Sudan | 
                                    
                    
                        | 13060 | Tunisia | 
                                    
                    
                        | 13070 | Western Sahara | 
                                    
                    
                        | 13999 | Northern Africa, other or n.s. | 
                                    
                    
                        | 14000 | Southern Africa | 
                                    
                    
                        | 14010 | Botswana | 
                                    
                    
                        | 14020 | Lesotho | 
                                    
                    
                        | 14030 | Namibia | 
                                    
                    
                        | 14040 | South Africa | 
                                    
                    
                        | 14050 | Swaziland | 
                                    
                    
                        | 14999 | Southern Africa, other or n.s. | 
                                    
                    
                        | 15000 | Western Africa | 
                                    
                    
                        | 15010 | Benin | 
                                    
                    
                        | 15020 | Burkina Faso | 
                                    
                    
                        | 15030 | Cape Verde | 
                                    
                    
                        | 15040 | Ivory Coast | 
                                    
                    
                        | 15050 | Gambia | 
                                    
                    
                        | 15060 | Ghana | 
                                    
                    
                        | 15070 | Guinea | 
                                    
                    
                        | 15080 | Guinea-Bissau | 
                                    
                    
                        | 15090 | Liberia | 
                                    
                    
                        | 15100 | Mali | 
                                    
                    
                        | 15110 | Mauritania | 
                                    
                    
                        | 15120 | Niger | 
                                    
                    
                        | 15130 | Nigeria | 
                                    
                    
                        | 15140 | St. Helena and Ascension | 
                                    
                    
                        | 15150 | Senegal | 
                                    
                    
                        | 15160 | Sierra Leone | 
                                    
                    
                        | 15170 | Togo | 
                                    
                    
                        | 15999 | West Africa, other or n.s. | 
                                    
                    
                        | 19999 | Africa, other or n.s. | 
                                    
                    
                        | 20000 | Americas | 
                                    
                    
                        | 21000 | Caribbean | 
                                    
                    
                        | 21010 | Anguilla | 
                                    
                    
                        | 21020 | Antigua-Barbuda | 
                                    
                    
                        | 21030 | Aruba | 
                                    
                    
                        | 21040 | Bahamas | 
                                    
                    
                        | 21050 | Barbados | 
                                    
                    
                        | 21060 | British Virgin Islands | 
                                    
                    
                        | 21070 | Cayman Isles | 
                                    
                    
                        | 21080 | Cuba | 
                                    
                    
                        | 21090 | Dominica | 
                                    
                    
                        | 21100 | Dominican Republic | 
                                    
                    
                        | 21110 | Grenada | 
                                    
                    
                        | 21120 | Guadeloupe | 
                                    
                    
                        | 21130 | Haiti | 
                                    
                    
                        | 21140 | Jamaica | 
                                    
                    
                        | 21150 | Martinique | 
                                    
                    
                        | 21160 | Montserrat | 
                                    
                    
                        | 21170 | Netherlands Antilles | 
                                    
                    
                        | 21180 | Puerto Rico | 
                                    
                    
                        | 21190 | St. Kitts-Nevis | 
                                    
                    
                        | 21220 | St. Lucia | 
                                    
                    
                        | 21240 | St. Vincent | 
                                    
                    
                        | 21250 | Trinidad and Tobago | 
                                    
                    
                        | 21260 | Turks and Caicos | 
                                    
                    
                        | 21270 | U.S. Virgin Islands | 
                                    
                    
                        | 21999 | Caribbean, other or n.s. | 
                                    
                    
                        | 22000 | Central America | 
                                    
                    
                        | 22010 | Belize/British Honduras | 
                                    
                    
                        | 22020 | Costa Rica | 
                                    
                    
                        | 22030 | El Salvador | 
                                    
                    
                        | 22040 | Guatemala | 
                                    
                    
                        | 22050 | Honduras | 
                                    
                    
                        | 22060 | Mexico | 
                                    
                    
                        | 22070 | Nicaragua | 
                                    
                    
                        | 22080 | Panama | 
                                    
                    
                        | 22081 | Panama Canal Zone | 
                                    
                    
                        | 22999 | Central America, other or n.s. | 
                                    
                    
                        | 23000 | South America | 
                                    
                    
                        | 23010 | Argentina | 
                                    
                    
                        | 23020 | Bolivia | 
                                    
                    
                        | 23030 | Brazil | 
                                    
                    
                        | 23040 | Chile | 
                                    
                    
                        | 23050 | Colombia | 
                                    
                    
                        | 23060 | Ecuador | 
                                    
                    
                        | 23070 | Falkland Islands | 
                                    
                    
                        | 23080 | French Guiana | 
                                    
                    
                        | 23090 | Guyana/British Guiana | 
                                    
                    
                        | 23100 | Paraguay | 
                                    
                    
                        | 23110 | Peru | 
                                    
                    
                        | 23120 | Suriname | 
                                    
                    
                        | 23130 | Uruguay | 
                                    
                    
                        | 23140 | Venezuela | 
                                    
                    
                        | 23999 | South America, other or n.s. | 
                                    
                    
                        | 24000 | North America | 
                                    
                    
                        | 24010 | Bermuda | 
                                    
                    
                        | 24020 | Canada | 
                                    
                    
                        | 24021 | Canada, First Nations | 
                                    
                    
                        | 24030 | Greenland | 
                                    
                    
                        | 24040 | United States | 
                                    
                    
                        | 24999 | North America, other or n.s. | 
                                    
                    
                        | 29999 | Americas, other or n.s. | 
                                    
                    
                        | 30000 | Asia | 
                                    
                    
                        | 31000 | Eastern Asia | 
                                    
                    
                        | 31010 | China | 
                                    
                    
                        | 31011 | Hong Kong | 
                                    
                    
                        | 31012 | Macau | 
                                    
                    
                        | 31013 | Taiwan | 
                                    
                    
                        | 31020 | Japan | 
                                    
                    
                        | 31030 | Korea | 
                                    
                    
                        | 31031 | Korea, DPR (North) | 
                                    
                    
                        | 31032 | Korea, RO (South) | 
                                    
                    
                        | 31040 | Mongolia | 
                                    
                    
                        | 31999 | Eastern Asia, other or n.s. | 
                                    
                    
                        | 32000 | South-Central Asia | 
                                    
                    
                        | 32010 | Afghanistan | 
                                    
                    
                        | 32020 | Bangladesh | 
                                    
                    
                        | 32030 | Bhutan | 
                                    
                    
                        | 32040 | India | 
                                    
                    
                        | 32041 | India/Pakistan | 
                                    
                    
                        | 32050 | Iran | 
                                    
                    
                        | 32060 | Kazakhstan | 
                                    
                    
                        | 32070 | Kyrgyzstan | 
                                    
                    
                        | 32080 | Maldives | 
                                    
                    
                        | 32090 | Nepal | 
                                    
                    
                        | 32100 | Pakistan | 
                                    
                    
                        | 32110 | Sri Lanka (Ceylon) | 
                                    
                    
                        | 32120 | Tajikistan | 
                                    
                    
                        | 32130 | Turkmenistan | 
                                    
                    
                        | 32140 | Uzbekistan | 
                                    
                    
                        | 32990 | Burma, India, Pakistan, Ceylon | 
                                    
                    
                        | 32999 | South-Central Asia, other or n.s. | 
                                    
                    
                        | 33000 | South-Eastern Asia | 
                                    
                    
                        | 33010 | Brunei | 
                                    
                    
                        | 33020 | Cambodia (Kampuchea) | 
                                    
                    
                        | 33030 | East Timor | 
                                    
                    
                        | 33040 | Indonesia | 
                                    
                    
                        | 33050 | Laos | 
                                    
                    
                        | 33060 | Malaysia | 
                                    
                    
                        | 33070 | Myanmar (Burma) | 
                                    
                    
                        | 33080 | Philippines | 
                                    
                    
                        | 33090 | Singapore | 
                                    
                    
                        | 33100 | Thailand | 
                                    
                    
                        | 33110 | Vietnam | 
                                    
                    
                        | 33991 | Laos and Cambodia | 
                                    
                    
                        | 33992 | Malaysia and Singapore | 
                                    
                    
                        | 33999 | South-Eastern Asia, other or n.s. | 
                                    
                    
                        | 34000 | Western Asia | 
                                    
                    
                        | 34010 | Armenia | 
                                    
                    
                        | 34020 | Azerbaijan | 
                                    
                    
                        | 34030 | Bahrain | 
                                    
                    
                        | 34040 | Cyprus | 
                                    
                    
                        | 34050 | Georgia | 
                                    
                    
                        | 34051 | Abkhazia | 
                                    
                    
                        | 34052 | South Ossetia | 
                                    
                    
                        | 34060 | Iraq | 
                                    
                    
                        | 34070 | Israel | 
                                    
                    
                        | 34080 | Jordan | 
                                    
                    
                        | 34090 | Kuwait | 
                                    
                    
                        | 34100 | Lebanon | 
                                    
                    
                        | 34110 | Palestine | 
                                    
                    
                        | 34120 | Oman | 
                                    
                    
                        | 34130 | Qatar | 
                                    
                    
                        | 34140 | Saudi Arabia | 
                                    
                    
                        | 34150 | Syria | 
                                    
                    
                        | 34151 | Syria/Lebanon | 
                                    
                    
                        | 34160 | Turkey | 
                                    
                    
                        | 34170 | United Arab Emirates | 
                                    
                    
                        | 34180 | Yemen | 
                                    
                    
                        | 34991 | Middle East | 
                                    
                    
                        | 34999 | Western Asia, other or n.s. | 
                                    
                    
                        | 39999 | Asia, other or n.s. | 
                                    
                    
                        | 40000 | Europe | 
                                    
                    
                        | 41000 | Eastern Europe | 
                                    
                    
                        | 41010 | Belarus | 
                                    
                    
                        | 41020 | Bulgaria | 
                                    
                    
                        | 41021 | Bulgaria/Greece | 
                                    
                    
                        | 41030 | Czech Republic/Czechoslovakia | 
                                    
                    
                        | 41040 | Hungary | 
                                    
                    
                        | 41050 | Poland | 
                                    
                    
                        | 41060 | Moldova | 
                                    
                    
                        | 41070 | Romania | 
                                    
                    
                        | 41080 | Russia/USSR | 
                                    
                    
                        | 41090 | Slovakia | 
                                    
                    
                        | 41100 | Ukraine | 
                                    
                    
                        | 41992 | Central-Eastern Europe | 
                                    
                    
                        | 41999 | Eastern Europe, other or n.s. | 
                                    
                    
                        | 42000 | Northern Europe | 
                                    
                    
                        | 42010 | Denmark | 
                                    
                    
                        | 42020 | Estonia | 
                                    
                    
                        | 42030 | Faroe Islands | 
                                    
                    
                        | 42040 | Finland | 
                                    
                    
                        | 42050 | Iceland | 
                                    
                    
                        | 42060 | Ireland | 
                                    
                    
                        | 42070 | Latvia | 
                                    
                    
                        | 42080 | Lithuania | 
                                    
                    
                        | 42090 | Norway | 
                                    
                    
                        | 42100 | Svalbard and Jan Mayen Islands | 
                                    
                    
                        | 42110 | Sweden | 
                                    
                    
                        | 42120 | United Kingdom | 
                                    
                    
                        | 42121 | Britain | 
                                    
                    
                        | 42122 | Scotland | 
                                    
                    
                        | 42123 | Wales | 
                                    
                    
                        | 42990 | Nordic countries | 
                                    
                    
                        | 42999 | Northern Europe, other or n.s. | 
                                    
                    
                        | 43000 | Southern Europe | 
                                    
                    
                        | 43010 | Albania | 
                                    
                    
                        | 43020 | Andorra | 
                                    
                    
                        | 43030 | Bosnia and Herzegovina | 
                                    
                    
                        | 43040 | Croatia | 
                                    
                    
                        | 43050 | Gibraltar | 
                                    
                    
                        | 43060 | Greece | 
                                    
                    
                        | 43070 | Italy | 
                                    
                    
                        | 43071 | Vatican City | 
                                    
                    
                        | 43080 | Malta | 
                                    
                    
                        | 43090 | Portugal | 
                                    
                    
                        | 43100 | San Marino | 
                                    
                    
                        | 43110 | Slovenia | 
                                    
                    
                        | 43120 | Spain | 
                                    
                    
                        | 43130 | Macedonia | 
                                    
                    
                        | 43140 | Yugoslavia | 
                                    
                    
                        | 43141 | Montenegro | 
                                    
                    
                        | 43142 | Serbia | 
                                    
                    
                        | 43143 | Kosovo | 
                                    
                    
                        | 43144 | Serbia and Montenegro | 
                                    
                    
                        | 43999 | Southern Europe, other or n.s. | 
                                    
                    
                        | 44000 | Western Europe | 
                                    
                    
                        | 44010 | Austria | 
                                    
                    
                        | 44011 | Austro-Hungarian | 
                                    
                    
                        | 44020 | Belgium | 
                                    
                    
                        | 44022 | Belgium/Netherlands/Luxemburg | 
                                    
                    
                        | 44030 | France | 
                                    
                    
                        | 44040 | Germany | 
                                    
                    
                        | 44041 | East Germany | 
                                    
                    
                        | 44042 | West Germany | 
                                    
                    
                        | 44050 | Liechtenstein | 
                                    
                    
                        | 44060 | Luxembourg | 
                                    
                    
                        | 44070 | Monaco | 
                                    
                    
                        | 44080 | Netherlands | 
                                    
                    
                        | 44090 | Switzerland | 
                                    
                    
                        | 44999 | Western Europe, other or n.s. | 
                                    
                    
                        | 49992 | European Union | 
                                    
                    
                        | 49993 | European Union (Original 15) | 
                                    
                    
                        | 49994 | Other European Union | 
                                    
                    
                        | 49999 | Europe, other or n.s. | 
                                    
                    
                        | 50000 | Oceania | 
                                    
                    
                        | 51000 | Australia and New Zealand | 
                                    
                    
                        | 51010 | Australia | 
                                    
                    
                        | 51020 | New Zealand | 
                                    
                    
                        | 51030 | Norfolk Islands | 
                                    
                    
                        | 51999 | Australia and New Zealand, n.s. | 
                                    
                    
                        | 52000 | Melanesia | 
                                    
                    
                        | 52010 | Fiji | 
                                    
                    
                        | 52020 | New Caledonia | 
                                    
                    
                        | 52030 | Papua New Guinea | 
                                    
                    
                        | 52040 | Solomon Islands | 
                                    
                    
                        | 52050 | Vanuatu (New Hebrides) | 
                                    
                    
                        | 52999 | Melanesia, n.s. | 
                                    
                    
                        | 53000 | Micronesia | 
                                    
                    
                        | 53010 | Kiribati | 
                                    
                    
                        | 53020 | Marshall Islands | 
                                    
                    
                        | 53030 | Nauru | 
                                    
                    
                        | 53040 | Northern Mariana Isls. | 
                                    
                    
                        | 53050 | Palau | 
                                    
                    
                        | 53999 | Micronesia, other or n.s. | 
                                    
                    
                        | 54000 | Polynesia | 
                                    
                    
                        | 54010 | Cook Islands | 
                                    
                    
                        | 54020 | French Polynesia | 
                                    
                    
                        | 54030 | Niue | 
                                    
                    
                        | 54040 | Pitcairn Island | 
                                    
                    
                        | 54050 | Western Samoa | 
                                    
                    
                        | 54060 | Eastern Samoa | 
                                    
                    
                        | 54070 | Tokelau | 
                                    
                    
                        | 54080 | Tonga | 
                                    
                    
                        | 54090 | Tuvalu | 
                                    
                    
                        | 54100 | Wallis and Futuna Isls. | 
                                    
                    
                        | 54999 | Polynesia, other or n.s. | 
                                    
                    
                        | 55000 | U.S. Pacific Possessions | 
                                    
                    
                        | 55010 | American Samoa | 
                                    
                    
                        | 55020 | Baker Island | 
                                    
                    
                        | 55030 | Guam | 
                                    
                    
                        | 55040 | Howland Island | 
                                    
                    
                        | 55050 | Johnston Atoll | 
                                    
                    
                        | 55060 | Kingman Reef | 
                                    
                    
                        | 55070 | Midway Islands | 
                                    
                    
                        | 55080 | Wake Island | 
                                    
                    
                        | 55999 | US Pacific, other or n.s. | 
                                    
                    
                        | 59999 | Oceania, other or n.s. | 
                                    
                    
                        | 90000 | Other countries n.s. | 
                                    
                    
                        | 99998 | No citizenship/nationality | 
                                    
                    
                        | 99999 | Unknown | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.