| Value | Category | 
                                    
                    
                        | -9 | Don't Know | 
                                    
                    
                        | -8 | Refused | 
                                    
                    
                        | -5 | Not Applicable | 
                                    
                    
                        | -3 | Missing | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 |  | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 20 |  | 
                                    
                    
                        | 23 |  | 
                                    
                    
                        | 25 |  | 
                                    
                    
                        | 30 |  | 
                                    
                    
                        | 35 |  | 
                                    
                    
                        | 38 |  | 
                                    
                    
                        | 40 |  | 
                                    
                    
                        | 45 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 53 |  | 
                                    
                    
                        | 55 |  | 
                                    
                    
                        | 60 |  | 
                                    
                    
                        | 64 |  | 
                                    
                    
                        | 65 |  | 
                                    
                    
                        | 69 |  | 
                                    
                    
                        | 70 |  | 
                                    
                    
                        | 74 |  | 
                                    
                    
                        | 75 |  | 
                                    
                    
                        | 76 |  | 
                                    
                    
                        | 80 |  | 
                                    
                    
                        | 81 |  | 
                                    
                    
                        | 85 |  | 
                                    
                    
                        | 90 |  | 
                                    
                    
                        | 95 |  | 
                                    
                    
                        | 98 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 108 |  | 
                                    
                    
                        | 109 |  | 
                                    
                    
                        | 110 |  | 
                                    
                    
                        | 114 |  | 
                                    
                    
                        | 119 |  | 
                                    
                    
                        | 120 |  | 
                                    
                    
                        | 125 |  | 
                                    
                    
                        | 130 |  | 
                                    
                    
                        | 135 |  | 
                                    
                    
                        | 140 |  | 
                                    
                    
                        | 145 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 158 |  | 
                                    
                    
                        | 160 |  | 
                                    
                    
                        | 170 |  | 
                                    
                    
                        | 180 |  | 
                                    
                    
                        | 185 |  | 
                                    
                    
                        | 190 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 208 |  | 
                                    
                    
                        | 220 |  | 
                                    
                    
                        | 235 |  | 
                                    
                    
                        | 244 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 253 |  | 
                                    
                    
                        | 260 |  | 
                                    
                    
                        | 270 |  | 
                                    
                    
                        | 275 |  | 
                                    
                    
                        | 280 |  | 
                                    
                    
                        | 290 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 320 |  | 
                                    
                    
                        | 325 |  | 
                                    
                    
                        | 331 |  | 
                                    
                    
                        | 349 |  | 
                                    
                    
                        | 350 |  | 
                                    
                    
                        | 370 |  | 
                                    
                    
                        | 375 |  | 
                                    
                    
                        | 380 |  | 
                                    
                    
                        | 400 |  | 
                                    
                    
                        | 430 |  | 
                                    
                    
                        | 450 |  | 
                                    
                    
                        | 460 |  | 
                                    
                    
                        | 480 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 506 |  | 
                                    
                    
                        | 530 |  | 
                                    
                    
                        | 540 |  | 
                                    
                    
                        | 550 |  | 
                                    
                    
                        | 551 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 640 |  | 
                                    
                    
                        | 650 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 730 |  | 
                                    
                    
                        | 750 |  | 
                                    
                    
                        | 761 |  | 
                                    
                    
                        | 770 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 850 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 930 |  | 
                                    
                    
                        | 967 |  | 
                                    
                    
                        | 980 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1100 |  | 
                                    
                    
                        | 1140 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1270 |  | 
                                    
                    
                        | 1300 |  | 
                                    
                    
                        | 1400 |  | 
                                    
                    
                        | 1440 |  | 
                                    
                    
                        | 1485 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 1580 |  | 
                                    
                    
                        | 1600 |  | 
                                    
                    
                        | 1700 |  | 
                                    
                    
                        | 1710 |  | 
                                    
                    
                        | 1800 |  | 
                                    
                    
                        | 1900 |  | 
                                    
                    
                        | 1980 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2020 |  | 
                                    
                    
                        | 2200 |  | 
                                    
                    
                        | 2300 |  | 
                                    
                    
                        | 2400 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 2600 |  | 
                                    
                    
                        | 2700 |  | 
                                    
                    
                        | 2750 |  | 
                                    
                    
                        | 2800 |  | 
                                    
                    
                        | 2900 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3006 |  | 
                                    
                    
                        | 3025 |  | 
                                    
                    
                        | 3035 |  | 
                                    
                    
                        | 3123 |  | 
                                    
                    
                        | 3200 |  | 
                                    
                    
                        | 3300 |  | 
                                    
                    
                        | 3400 |  | 
                                    
                    
                        | 3500 |  | 
                                    
                    
                        | 3600 |  | 
                                    
                    
                        | 3700 |  | 
                                    
                    
                        | 3800 |  | 
                                    
                    
                        | 3850 |  | 
                                    
                    
                        | 3900 |  | 
                                    
                    
                        | 4000 |  | 
                                    
                    
                        | 4200 |  | 
                                    
                    
                        | 4250 |  | 
                                    
                    
                        | 4300 |  | 
                                    
                    
                        | 4400 |  | 
                                    
                    
                        | 4500 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 5500 |  | 
                                    
                    
                        | 5700 |  | 
                                    
                    
                        | 5800 |  | 
                                    
                    
                        | 6000 |  | 
                                    
                    
                        | 6500 |  | 
                                    
                    
                        | 6800 |  | 
                                    
                    
                        | 8000 |  | 
                                    
                    
                        | 8300 |  | 
                                    
                    
                        | 8500 |  | 
                                    
                    
                        | 9000 |  | 
                                    
                    
                        | 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.