| Value | Category | 
                                    
                    
                        | -9 | Don't know | 
                                    
                    
                        | -8 | Refused | 
                                    
                    
                        | -5 | Not applicable | 
                                    
                    
                        | -3 | Missing | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 8 |  | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 44 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 54 |  | 
                                    
                    
                        | 57 |  | 
                                    
                    
                        | 60 |  | 
                                    
                    
                        | 70 |  | 
                                    
                    
                        | 75 |  | 
                                    
                    
                        | 80 |  | 
                                    
                    
                        | 90 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 112 |  | 
                                    
                    
                        | 115 |  | 
                                    
                    
                        | 120 |  | 
                                    
                    
                        | 130 |  | 
                                    
                    
                        | 133 |  | 
                                    
                    
                        | 139 |  | 
                                    
                    
                        | 140 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 160 |  | 
                                    
                    
                        | 165 |  | 
                                    
                    
                        | 176 |  | 
                                    
                    
                        | 180 |  | 
                                    
                    
                        | 189 |  | 
                                    
                    
                        | 190 |  | 
                                    
                    
                        | 197 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 208 |  | 
                                    
                    
                        | 210 |  | 
                                    
                    
                        | 215 |  | 
                                    
                    
                        | 220 |  | 
                                    
                    
                        | 228 |  | 
                                    
                    
                        | 230 |  | 
                                    
                    
                        | 233 |  | 
                                    
                    
                        | 240 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 260 |  | 
                                    
                    
                        | 270 |  | 
                                    
                    
                        | 275 |  | 
                                    
                    
                        | 289 |  | 
                                    
                    
                        | 299 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 310 |  | 
                                    
                    
                        | 315 |  | 
                                    
                    
                        | 320 |  | 
                                    
                    
                        | 330 |  | 
                                    
                    
                        | 337 |  | 
                                    
                    
                        | 340 |  | 
                                    
                    
                        | 341 |  | 
                                    
                    
                        | 349 |  | 
                                    
                    
                        | 350 |  | 
                                    
                    
                        | 352 |  | 
                                    
                    
                        | 354 |  | 
                                    
                    
                        | 360 |  | 
                                    
                    
                        | 370 |  | 
                                    
                    
                        | 375 |  | 
                                    
                    
                        | 380 |  | 
                                    
                    
                        | 390 |  | 
                                    
                    
                        | 395 |  | 
                                    
                    
                        | 400 |  | 
                                    
                    
                        | 410 |  | 
                                    
                    
                        | 417 |  | 
                                    
                    
                        | 420 |  | 
                                    
                    
                        | 421 |  | 
                                    
                    
                        | 422 |  | 
                                    
                    
                        | 425 |  | 
                                    
                    
                        | 430 |  | 
                                    
                    
                        | 437 |  | 
                                    
                    
                        | 438 |  | 
                                    
                    
                        | 450 |  | 
                                    
                    
                        | 460 |  | 
                                    
                    
                        | 465 |  | 
                                    
                    
                        | 475 |  | 
                                    
                    
                        | 480 |  | 
                                    
                    
                        | 485 |  | 
                                    
                    
                        | 490 |  | 
                                    
                    
                        | 493 |  | 
                                    
                    
                        | 499 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 508 |  | 
                                    
                    
                        | 510 |  | 
                                    
                    
                        | 530 |  | 
                                    
                    
                        | 537 |  | 
                                    
                    
                        | 540 |  | 
                                    
                    
                        | 550 |  | 
                                    
                    
                        | 560 |  | 
                                    
                    
                        | 565 |  | 
                                    
                    
                        | 570 |  | 
                                    
                    
                        | 578 |  | 
                                    
                    
                        | 580 |  | 
                                    
                    
                        | 598 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 610 |  | 
                                    
                    
                        | 615 |  | 
                                    
                    
                        | 620 |  | 
                                    
                    
                        | 630 |  | 
                                    
                    
                        | 640 |  | 
                                    
                    
                        | 642 |  | 
                                    
                    
                        | 650 |  | 
                                    
                    
                        | 658 |  | 
                                    
                    
                        | 660 |  | 
                                    
                    
                        | 667 |  | 
                                    
                    
                        | 670 |  | 
                                    
                    
                        | 675 |  | 
                                    
                    
                        | 680 |  | 
                                    
                    
                        | 699 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 704 |  | 
                                    
                    
                        | 730 |  | 
                                    
                    
                        | 740 |  | 
                                    
                    
                        | 750 |  | 
                                    
                    
                        | 765 |  | 
                                    
                    
                        | 770 |  | 
                                    
                    
                        | 777 |  | 
                                    
                    
                        | 780 |  | 
                                    
                    
                        | 785 |  | 
                                    
                    
                        | 790 |  | 
                                    
                    
                        | 792 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 820 |  | 
                                    
                    
                        | 830 |  | 
                                    
                    
                        | 840 |  | 
                                    
                    
                        | 849 |  | 
                                    
                    
                        | 850 |  | 
                                    
                    
                        | 855 |  | 
                                    
                    
                        | 860 |  | 
                                    
                    
                        | 875 |  | 
                                    
                    
                        | 880 |  | 
                                    
                    
                        | 890 |  | 
                                    
                    
                        | 899 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 917 |  | 
                                    
                    
                        | 930 |  | 
                                    
                    
                        | 945 |  | 
                                    
                    
                        | 950 |  | 
                                    
                    
                        | 954 |  | 
                                    
                    
                        | 960 |  | 
                                    
                    
                        | 980 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1010 |  | 
                                    
                    
                        | 1025 |  | 
                                    
                    
                        | 1050 |  | 
                                    
                    
                        | 1065 |  | 
                                    
                    
                        | 1066 |  | 
                                    
                    
                        | 1070 |  | 
                                    
                    
                        | 1072 |  | 
                                    
                    
                        | 1075 |  | 
                                    
                    
                        | 1100 |  | 
                                    
                    
                        | 1140 |  | 
                                    
                    
                        | 1199 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1220 |  | 
                                    
                    
                        | 1245 |  | 
                                    
                    
                        | 1250 |  | 
                                    
                    
                        | 1256 |  | 
                                    
                    
                        | 1295 |  | 
                                    
                    
                        | 1300 |  | 
                                    
                    
                        | 1320 |  | 
                                    
                    
                        | 1350 |  | 
                                    
                    
                        | 1370 |  | 
                                    
                    
                        | 1400 |  | 
                                    
                    
                        | 1450 |  | 
                                    
                    
                        | 1480 |  | 
                                    
                    
                        | 1484 |  | 
                                    
                    
                        | 1494 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 1509 |  | 
                                    
                    
                        | 1525 |  | 
                                    
                    
                        | 1550 |  | 
                                    
                    
                        | 1551 |  | 
                                    
                    
                        | 1556 |  | 
                                    
                    
                        | 1560 |  | 
                                    
                    
                        | 1600 |  | 
                                    
                    
                        | 1630 |  | 
                                    
                    
                        | 1650 |  | 
                                    
                    
                        | 1700 |  | 
                                    
                    
                        | 1750 |  | 
                                    
                    
                        | 1772 |  | 
                                    
                    
                        | 1780 |  | 
                                    
                    
                        | 1784 |  | 
                                    
                    
                        | 1800 |  | 
                                    
                    
                        | 1840 |  | 
                                    
                    
                        | 1850 |  | 
                                    
                    
                        | 1880 |  | 
                                    
                    
                        | 1900 |  | 
                                    
                    
                        | 1943 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2025 |  | 
                                    
                    
                        | 2050 |  | 
                                    
                    
                        | 2060 |  | 
                                    
                    
                        | 2080 |  | 
                                    
                    
                        | 2081 |  | 
                                    
                    
                        | 2089 |  | 
                                    
                    
                        | 2100 |  | 
                                    
                    
                        | 2102 |  | 
                                    
                    
                        | 2110 |  | 
                                    
                    
                        | 2200 |  | 
                                    
                    
                        | 2250 |  | 
                                    
                    
                        | 2300 |  | 
                                    
                    
                        | 2379 |  | 
                                    
                    
                        | 2390 |  | 
                                    
                    
                        | 2400 |  | 
                                    
                    
                        | 2450 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 2600 |  | 
                                    
                    
                        | 2628 |  | 
                                    
                    
                        | 2650 |  | 
                                    
                    
                        | 2675 |  | 
                                    
                    
                        | 2700 |  | 
                                    
                    
                        | 2800 |  | 
                                    
                    
                        | 2842 |  | 
                                    
                    
                        | 2850 |  | 
                                    
                    
                        | 2870 |  | 
                                    
                    
                        | 2890 |  | 
                                    
                    
                        | 2900 |  | 
                                    
                    
                        | 2961 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3020 |  | 
                                    
                    
                        | 3096 |  | 
                                    
                    
                        | 3100 |  | 
                                    
                    
                        | 3134 |  | 
                                    
                    
                        | 3200 |  | 
                                    
                    
                        | 3225 |  | 
                                    
                    
                        | 3300 |  | 
                                    
                    
                        | 3340 |  | 
                                    
                    
                        | 3400 |  | 
                                    
                    
                        | 3479 |  | 
                                    
                    
                        | 3490 |  | 
                                    
                    
                        | 3500 |  | 
                                    
                    
                        | 3540 |  | 
                                    
                    
                        | 3554 |  | 
                                    
                    
                        | 3578 |  | 
                                    
                    
                        | 3587 |  | 
                                    
                    
                        | 3600 |  | 
                                    
                    
                        | 3662 |  | 
                                    
                    
                        | 3670 |  | 
                                    
                    
                        | 3700 |  | 
                                    
                    
                        | 3769 |  | 
                                    
                    
                        | 3799 |  | 
                                    
                    
                        | 3800 |  | 
                                    
                    
                        | 3900 |  | 
                                    
                    
                        | 3947 |  | 
                                    
                    
                        | 3950 |  | 
                                    
                    
                        | 3985 |  | 
                                    
                    
                        | 4000 |  | 
                                    
                    
                        | 4027 |  | 
                                    
                    
                        | 4099 |  | 
                                    
                    
                        | 4100 |  | 
                                    
                    
                        | 4200 |  | 
                                    
                    
                        | 4300 |  | 
                                    
                    
                        | 4400 |  | 
                                    
                    
                        | 4480 |  | 
                                    
                    
                        | 4500 |  | 
                                    
                    
                        | 4525 |  | 
                                    
                    
                        | 4600 |  | 
                                    
                    
                        | 4630 |  | 
                                    
                    
                        | 4650 |  | 
                                    
                    
                        | 4657 |  | 
                                    
                    
                        | 4680 |  | 
                                    
                    
                        | 4700 |  | 
                                    
                    
                        | 4800 |  | 
                                    
                    
                        | 4900 |  | 
                                    
                    
                        | 4999 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 5160 |  | 
                                    
                    
                        | 5200 |  | 
                                    
                    
                        | 5260 |  | 
                                    
                    
                        | 5300 |  | 
                                    
                    
                        | 5350 |  | 
                                    
                    
                        | 5400 |  | 
                                    
                    
                        | 5500 |  | 
                                    
                    
                        | 5600 |  | 
                                    
                    
                        | 5700 |  | 
                                    
                    
                        | 5800 |  | 
                                    
                    
                        | 6000 |  | 
                                    
                    
                        | 6100 |  | 
                                    
                    
                        | 6170 |  | 
                                    
                    
                        | 6200 |  | 
                                    
                    
                        | 6400 |  | 
                                    
                    
                        | 6500 |  | 
                                    
                    
                        | 6600 |  | 
                                    
                    
                        | 6725 |  | 
                                    
                    
                        | 6730 |  | 
                                    
                    
                        | 6800 |  | 
                                    
                    
                        | 7000 |  | 
                                    
                    
                        | 7200 |  | 
                                    
                    
                        | 7300 |  | 
                                    
                    
                        | 7400 |  | 
                                    
                    
                        | 7500 |  | 
                                    
                    
                        | 7600 |  | 
                                    
                    
                        | 7790 |  | 
                                    
                    
                        | 7800 |  | 
                                    
                    
                        | 7880 |  | 
                                    
                    
                        | 8000 |  | 
                                    
                    
                        | 8200 |  | 
                                    
                    
                        | 8500 |  | 
                                    
                    
                        | 8520 |  | 
                                    
                    
                        | 8600 |  | 
                                    
                    
                        | 8700 |  | 
                                    
                    
                        | 8900 |  | 
                                    
                    
                        | 9000 |  | 
                                    
                    
                        | 9500 |  | 
                                    
                    
                        | 9985 |  | 
                                    
                    
                        | 10000 |  | 
                                    
                    
                        | 10300 |  | 
                                    
                    
                        | 10500 |  | 
                                    
                    
                        | 10750 |  | 
                                    
                    
                        | 10800 |  | 
                                    
                    
                        | 11000 |  | 
                                    
                    
                        | 11500 |  | 
                                    
                    
                        | 11600 |  | 
                                    
                    
                        | 11700 |  | 
                                    
                    
                        | 12000 |  | 
                                    
                    
                        | 12200 |  | 
                                    
                    
                        | 13000 |  | 
                                    
                    
                        | 13500 |  | 
                                    
                    
                        | 14000 |  | 
                                    
                    
                        | 14500 |  | 
                                    
                    
                        | 15000 |  | 
                                    
                    
                        | 15982 |  | 
                                    
                    
                        | 16000 |  | 
                                    
                    
                        | 17000 |  | 
                                    
                    
                        | 18000 |  | 
                                    
                    
                        | 20000 |  | 
                                    
                    
                        | 21000 |  | 
                                    
                    
                        | 22000 |  | 
                                    
                    
                        | 22320 |  | 
                                    
                    
                        | 25000 |  | 
                                    
                    
                        | 26000 |  | 
                                    
                    
                        | 30000 |  | 
                                    
                    
                        | 35000 |  | 
                                    
                    
                        | 36000 |  | 
                                    
                    
                        | 45000 |  | 
                                    
                    
                        | 50000 |  | 
                                    
                    
                        | 65000 |  | 
                                    
                    
                        | 70000 |  | 
                                    
                    
                        | 80000 |  | 
                                    
                    
                        | 100000 |  | 
                                    
                    
                        | 107000 |  | 
                                    
                    
                        | 800000 |  | 
                                    
                    
                        | Sysmiss |  | 
                            
            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.