| Value | Category | 
                                    
                    
                        | 1 | Agriculture, hunting and related service activities | 
                                    
                    
                        | 2 | Forestry, logging and related service activities | 
                                    
                    
                        | 5 | Fishing, operation of fish hatcheries and fish farms; service activities incidental to fishing | 
                                    
                    
                        | 10 | Mining of coal and lignite; extraction of peat | 
                                    
                    
                        | 11 | Extraction of crude petroleum and natural gas; service activities incidental to oil and gas extraction, excluding surveying | 
                                    
                    
                        | 12 | Mining of uranium and thorium ores | 
                                    
                    
                        | 14 | Other mining and quarrying | 
                                    
                    
                        | 15 | Manufacture of food products and beverages | 
                                    
                    
                        | 16 | Manufacture of tobacco products | 
                                    
                    
                        | 17 | Manufacture of textiles | 
                                    
                    
                        | 18 | Manufacture of wearing apparel; dressing and dyeing of fur | 
                                    
                    
                        | 19 | Tanning and dressing of leather; manufacture of luggage, handbags, saddlery, harness and footwear | 
                                    
                    
                        | 20 | Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials | 
                                    
                    
                        | 21 | Manufacture of paper and paper products | 
                                    
                    
                        | 22 | Publishing, printing and reproduction of recorded media | 
                                    
                    
                        | 24 | Manufacture of chemicals and chemical products | 
                                    
                    
                        | 25 | Manufacture of rubber and plastics products | 
                                    
                    
                        | 26 | Manufacture of other non-metallic mineral products | 
                                    
                    
                        | 27 | Manufacture of basic metals | 
                                    
                    
                        | 28 | Manufacture of fabricated metal products, except machinery and equipment | 
                                    
                    
                        | 29 | Manufacture of machinery and equipment n.e.c.* | 
                                    
                    
                        | 30 | Manufacture of office, accounting and computing machinery | 
                                    
                    
                        | 31 | Manufacture of electrical machinery and apparatus n.e.c. | 
                                    
                    
                        | 32 | Manufacture of radio, television and communication equipment and apparatus | 
                                    
                    
                        | 33 | Manufacture of medical, precision and optical instruments, watches and clocks | 
                                    
                    
                        | 34 | Manufacture of motor vehicles, trailers and semi-trailers | 
                                    
                    
                        | 35 | Manufacture of other transport equipment | 
                                    
                    
                        | 36 | Manufacture of furniture; manufacturing n.e.c. | 
                                    
                    
                        | 40 | Electricity, gas, steam and hot water supply | 
                                    
                    
                        | 45 | Construction | 
                                    
                    
                        | 50 | Sale, maintenance and repair of motor vehicles and motorcycles; retail sale of automotive fuel | 
                                    
                    
                        | 51 | Wholesale trade and commission trade, except of motor vehicles and motorcycles | 
                                    
                    
                        | 52 | Retail trade, except of motor vehicles and motorcycles; repair of personal and household goods | 
                                    
                    
                        | 55 | Hotels and restaurants | 
                                    
                    
                        | 60 | Land transport; transport via pipelines | 
                                    
                    
                        | 61 | Water transport | 
                                    
                    
                        | 63 | Supporting and auxiliary transport activities; activities of travel agencies | 
                                    
                    
                        | 64 | Post and telecommunications | 
                                    
                    
                        | 65 | Financial intermediation, except insurance and pension funding | 
                                    
                    
                        | 66 | Insurance and pension funding, except compulsory social security | 
                                    
                    
                        | 67 | Activities auxiliary to financial intermediation | 
                                    
                    
                        | 70 | Real estate activities | 
                                    
                    
                        | 71 | Renting of machinery and equipment without operator and of personal and household goods | 
                                    
                    
                        | 72 | Computer and related activities | 
                                    
                    
                        | 74 | Other business activities | 
                                    
                    
                        | 75 | Public administration and defense; compulsory social security | 
                                    
                    
                        | 80 | Education | 
                                    
                    
                        | 85 | Health and social work | 
                                    
                    
                        | 90 | Sewage and refuse disposal, sanitation and similar activities | 
                                    
                    
                        | 91 | Activities of membership organizations n.e.c. | 
                                    
                    
                        | 92 | Recreational, cultural and sporting activities | 
                                    
                    
                        | 93 | Other service activities | 
                                    
                    
                        | 95 | Private households with employed persons | 
                                    
                    
                        | 98 | Unknown | 
                                    
                    
                        | 99 | NIU (not in universe) | 
                            
            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.