| Value | Category | 
                                    
                    
                        | -9 | Don't Know | 
                                    
                    
                        | -8 | Refused | 
                                    
                    
                        | -5 | Not Applicable | 
                                    
                    
                        | -3 | Missing | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 |  | 
                                    
                    
                        | 2 |  | 
                                    
                    
                        | 3 |  | 
                                    
                    
                        | 5 |  | 
                                    
                    
                        | 6 |  | 
                                    
                    
                        | 7 |  | 
                                    
                    
                        | 9 |  | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 12 |  | 
                                    
                    
                        | 13 |  | 
                                    
                    
                        | 15 |  | 
                                    
                    
                        | 16 |  | 
                                    
                    
                        | 18 |  | 
                                    
                    
                        | 19 |  | 
                                    
                    
                        | 20 |  | 
                                    
                    
                        | 21 |  | 
                                    
                    
                        | 22 |  | 
                                    
                    
                        | 25 |  | 
                                    
                    
                        | 26 |  | 
                                    
                    
                        | 30 |  | 
                                    
                    
                        | 35 |  | 
                                    
                    
                        | 37 |  | 
                                    
                    
                        | 38 |  | 
                                    
                    
                        | 40 |  | 
                                    
                    
                        | 41 |  | 
                                    
                    
                        | 44 |  | 
                                    
                    
                        | 45 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 52 |  | 
                                    
                    
                        | 53 |  | 
                                    
                    
                        | 54 |  | 
                                    
                    
                        | 55 |  | 
                                    
                    
                        | 57 |  | 
                                    
                    
                        | 58 |  | 
                                    
                    
                        | 60 |  | 
                                    
                    
                        | 65 |  | 
                                    
                    
                        | 68 |  | 
                                    
                    
                        | 70 |  | 
                                    
                    
                        | 72 |  | 
                                    
                    
                        | 73 |  | 
                                    
                    
                        | 75 |  | 
                                    
                    
                        | 77 |  | 
                                    
                    
                        | 80 |  | 
                                    
                    
                        | 82 |  | 
                                    
                    
                        | 84 |  | 
                                    
                    
                        | 85 |  | 
                                    
                    
                        | 86 |  | 
                                    
                    
                        | 87 |  | 
                                    
                    
                        | 88 |  | 
                                    
                    
                        | 90 |  | 
                                    
                    
                        | 98 |  | 
                                    
                    
                        | 99 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 103 |  | 
                                    
                    
                        | 110 |  | 
                                    
                    
                        | 117 |  | 
                                    
                    
                        | 120 |  | 
                                    
                    
                        | 125 |  | 
                                    
                    
                        | 130 |  | 
                                    
                    
                        | 133 |  | 
                                    
                    
                        | 137 |  | 
                                    
                    
                        | 140 |  | 
                                    
                    
                        | 142 |  | 
                                    
                    
                        | 144 |  | 
                                    
                    
                        | 145 |  | 
                                    
                    
                        | 149 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 153 |  | 
                                    
                    
                        | 160 |  | 
                                    
                    
                        | 165 |  | 
                                    
                    
                        | 170 |  | 
                                    
                    
                        | 175 |  | 
                                    
                    
                        | 180 |  | 
                                    
                    
                        | 189 |  | 
                                    
                    
                        | 190 |  | 
                                    
                    
                        | 193 |  | 
                                    
                    
                        | 198 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 204 |  | 
                                    
                    
                        | 205 |  | 
                                    
                    
                        | 209 |  | 
                                    
                    
                        | 210 |  | 
                                    
                    
                        | 215 |  | 
                                    
                    
                        | 220 |  | 
                                    
                    
                        | 223 |  | 
                                    
                    
                        | 225 |  | 
                                    
                    
                        | 230 |  | 
                                    
                    
                        | 240 |  | 
                                    
                    
                        | 245 |  | 
                                    
                    
                        | 249 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 254 |  | 
                                    
                    
                        | 260 |  | 
                                    
                    
                        | 264 |  | 
                                    
                    
                        | 266 |  | 
                                    
                    
                        | 270 |  | 
                                    
                    
                        | 277 |  | 
                                    
                    
                        | 280 |  | 
                                    
                    
                        | 287 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 310 |  | 
                                    
                    
                        | 320 |  | 
                                    
                    
                        | 329 |  | 
                                    
                    
                        | 350 |  | 
                                    
                    
                        | 360 |  | 
                                    
                    
                        | 380 |  | 
                                    
                    
                        | 400 |  | 
                                    
                    
                        | 450 |  | 
                                    
                    
                        | 460 |  | 
                                    
                    
                        | 462 |  | 
                                    
                    
                        | 479 |  | 
                                    
                    
                        | 485 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 530 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 650 |  | 
                                    
                    
                        | 659 |  | 
                                    
                    
                        | 680 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 950 |  | 
                                    
                    
                        | 965 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1302 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 1560 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2002 |  | 
                                    
                    
                        | 2006 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3200 |  | 
                                    
                    
                        | 3333 |  | 
                                    
                    
                        | 3400 |  | 
                                    
                    
                        | 4100 |  | 
                                    
                    
                        | 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.