| Value | Category | 
                                    
                    
                        | -9 | Don't Know | 
                                    
                    
                        | -8 | Refused | 
                                    
                    
                        | -5 | Not Applicable | 
                                    
                    
                        | -3 | Missing | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 13 |  | 
                                    
                    
                        | 13.1 |  | 
                                    
                    
                        | 13.3 |  | 
                                    
                    
                        | 15 |  | 
                                    
                    
                        | 15.4 |  | 
                                    
                    
                        | 16 |  | 
                                    
                    
                        | 20 |  | 
                                    
                    
                        | 21 |  | 
                                    
                    
                        | 22 |  | 
                                    
                    
                        | 23 |  | 
                                    
                    
                        | 23.1 |  | 
                                    
                    
                        | 24 |  | 
                                    
                    
                        | 25 |  | 
                                    
                    
                        | 25.5 |  | 
                                    
                    
                        | 26 |  | 
                                    
                    
                        | 27 |  | 
                                    
                    
                        | 28 |  | 
                                    
                    
                        | 28.5 |  | 
                                    
                    
                        | 29 |  | 
                                    
                    
                        | 29.1 |  | 
                                    
                    
                        | 29.2 |  | 
                                    
                    
                        | 29.5 |  | 
                                    
                    
                        | 29.9 |  | 
                                    
                    
                        | 30 |  | 
                                    
                    
                        | 30.1 |  | 
                                    
                    
                        | 30.2 |  | 
                                    
                    
                        | 30.4 |  | 
                                    
                    
                        | 30.5 |  | 
                                    
                    
                        | 31 |  | 
                                    
                    
                        | 31.2 |  | 
                                    
                    
                        | 31.4 |  | 
                                    
                    
                        | 31.5 |  | 
                                    
                    
                        | 32 |  | 
                                    
                    
                        | 32.2 |  | 
                                    
                    
                        | 32.3 |  | 
                                    
                    
                        | 32.5 |  | 
                                    
                    
                        | 33 |  | 
                                    
                    
                        | 33.1 |  | 
                                    
                    
                        | 33.2 |  | 
                                    
                    
                        | 33.4 |  | 
                                    
                    
                        | 33.5 |  | 
                                    
                    
                        | 33.6 |  | 
                                    
                    
                        | 33.7 |  | 
                                    
                    
                        | 33.9 |  | 
                                    
                    
                        | 34 |  | 
                                    
                    
                        | 34.1 |  | 
                                    
                    
                        | 34.2 |  | 
                                    
                    
                        | 34.3 |  | 
                                    
                    
                        | 34.4 |  | 
                                    
                    
                        | 34.5 |  | 
                                    
                    
                        | 34.9 |  | 
                                    
                    
                        | 35 |  | 
                                    
                    
                        | 35.1 |  | 
                                    
                    
                        | 35.2 |  | 
                                    
                    
                        | 35.3 |  | 
                                    
                    
                        | 35.5 |  | 
                                    
                    
                        | 35.8 |  | 
                                    
                    
                        | 36 |  | 
                                    
                    
                        | 36.1 |  | 
                                    
                    
                        | 36.2 |  | 
                                    
                    
                        | 36.3 |  | 
                                    
                    
                        | 36.5 |  | 
                                    
                    
                        | 36.6 |  | 
                                    
                    
                        | 36.7 |  | 
                                    
                    
                        | 37 |  | 
                                    
                    
                        | 37.4 |  | 
                                    
                    
                        | 37.5 |  | 
                                    
                    
                        | 38 |  | 
                                    
                    
                        | 38.1 |  | 
                                    
                    
                        | 38.2 |  | 
                                    
                    
                        | 38.9 |  | 
                                    
                    
                        | 39 |  | 
                                    
                    
                        | 39.5 |  | 
                                    
                    
                        | 40 |  | 
                                    
                    
                        | 40.1 |  | 
                                    
                    
                        | 40.8 |  | 
                                    
                    
                        | 41 |  | 
                                    
                    
                        | 41.5 |  | 
                                    
                    
                        | 42 |  | 
                                    
                    
                        | 42.1 |  | 
                                    
                    
                        | 43 |  | 
                                    
                    
                        | 44 |  | 
                                    
                    
                        | 44.1 |  | 
                                    
                    
                        | 45 |  | 
                                    
                    
                        | 45.1 |  | 
                                    
                    
                        | 46 |  | 
                                    
                    
                        | 47 |  | 
                                    
                    
                        | 48 |  | 
                                    
                    
                        | 48.1 |  | 
                                    
                    
                        | 49 |  | 
                                    
                    
                        | 49.1 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 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.