| Value | Category | 
                                    
                    
                        | -9 | Don't Know | 
                                    
                    
                        | -8 | Refused | 
                                    
                    
                        | -5 | Not Applicable | 
                                    
                    
                        | -3 | Missing | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 |  | 
                                    
                    
                        | 9 |  | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 13 |  | 
                                    
                    
                        | 15 |  | 
                                    
                    
                        | 20 |  | 
                                    
                    
                        | 25 |  | 
                                    
                    
                        | 26 |  | 
                                    
                    
                        | 30 |  | 
                                    
                    
                        | 33 |  | 
                                    
                    
                        | 35 |  | 
                                    
                    
                        | 36 |  | 
                                    
                    
                        | 40 |  | 
                                    
                    
                        | 45 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 55 |  | 
                                    
                    
                        | 59 |  | 
                                    
                    
                        | 60 |  | 
                                    
                    
                        | 70 |  | 
                                    
                    
                        | 75 |  | 
                                    
                    
                        | 79 |  | 
                                    
                    
                        | 80 |  | 
                                    
                    
                        | 85 |  | 
                                    
                    
                        | 87 |  | 
                                    
                    
                        | 90 |  | 
                                    
                    
                        | 92 |  | 
                                    
                    
                        | 95 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 109 |  | 
                                    
                    
                        | 110 |  | 
                                    
                    
                        | 120 |  | 
                                    
                    
                        | 123 |  | 
                                    
                    
                        | 125 |  | 
                                    
                    
                        | 129 |  | 
                                    
                    
                        | 130 |  | 
                                    
                    
                        | 135 |  | 
                                    
                    
                        | 137 |  | 
                                    
                    
                        | 140 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 155 |  | 
                                    
                    
                        | 160 |  | 
                                    
                    
                        | 165 |  | 
                                    
                    
                        | 170 |  | 
                                    
                    
                        | 180 |  | 
                                    
                    
                        | 188 |  | 
                                    
                    
                        | 190 |  | 
                                    
                    
                        | 195 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 207 |  | 
                                    
                    
                        | 210 |  | 
                                    
                    
                        | 220 |  | 
                                    
                    
                        | 226 |  | 
                                    
                    
                        | 229 |  | 
                                    
                    
                        | 230 |  | 
                                    
                    
                        | 238 |  | 
                                    
                    
                        | 240 |  | 
                                    
                    
                        | 245 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 260 |  | 
                                    
                    
                        | 270 |  | 
                                    
                    
                        | 275 |  | 
                                    
                    
                        | 280 |  | 
                                    
                    
                        | 290 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 310 |  | 
                                    
                    
                        | 315 |  | 
                                    
                    
                        | 320 |  | 
                                    
                    
                        | 330 |  | 
                                    
                    
                        | 340 |  | 
                                    
                    
                        | 350 |  | 
                                    
                    
                        | 355 |  | 
                                    
                    
                        | 360 |  | 
                                    
                    
                        | 370 |  | 
                                    
                    
                        | 380 |  | 
                                    
                    
                        | 390 |  | 
                                    
                    
                        | 395 |  | 
                                    
                    
                        | 399 |  | 
                                    
                    
                        | 400 |  | 
                                    
                    
                        | 403 |  | 
                                    
                    
                        | 420 |  | 
                                    
                    
                        | 440 |  | 
                                    
                    
                        | 450 |  | 
                                    
                    
                        | 460 |  | 
                                    
                    
                        | 463 |  | 
                                    
                    
                        | 470 |  | 
                                    
                    
                        | 480 |  | 
                                    
                    
                        | 490 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 510 |  | 
                                    
                    
                        | 540 |  | 
                                    
                    
                        | 550 |  | 
                                    
                    
                        | 555 |  | 
                                    
                    
                        | 565 |  | 
                                    
                    
                        | 570 |  | 
                                    
                    
                        | 580 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 650 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 730 |  | 
                                    
                    
                        | 734 |  | 
                                    
                    
                        | 750 |  | 
                                    
                    
                        | 755 |  | 
                                    
                    
                        | 790 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 880 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 950 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1008 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1300 |  | 
                                    
                    
                        | 1380 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 1600 |  | 
                                    
                    
                        | 1800 |  | 
                                    
                    
                        | 1900 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3500 |  | 
                                    
                    
                        | 3988 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 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.