| Value | 
                    Category | 
                                                                            
                                    
                    
                        | -5 | 
                        other  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | -4 | 
                        missing data  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | -3 | 
                        refused to answer  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | -2 | 
                        not applicable  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | -1 | 
                        do not know  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 6.30000019073486 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 7 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 7.01999998092651 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 7.09999990463257 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 8.03999996185303 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 8.10000038146973 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 8.14999961853027 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 8.19999980926514 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 8.30000019073486 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 8.44999980926514 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 8.5 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 9.10000038146973 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 9.35000038146973 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 9.44999980926514 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 9.46000003814697 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10.039999961853 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10.0600004196167 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10.1000003814697 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10.1999998092651 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10.210000038147 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10.3000001907349 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10.3500003814697 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10.3800001144409 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10.4200000762939 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11.0600004196167 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11.1000003814697 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11.2700004577637 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11.3000001907349 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11.3100004196167 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11.4200000762939 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11.5 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12.0500001907349 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12.1000003814697 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12.1499996185303 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12.2200002670288 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12.2399997711182 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12.3000001907349 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12.3500003814697 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12.4300003051758 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12.5500001907349 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13.039999961853 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13.0500001907349 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13.25 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13.4499998092651 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13.5 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13.539999961853 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13.5799999237061 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14.0500001907349 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14.1000003814697 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14.1499996185303 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14.25 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14.3299999237061 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14.4499998092651 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15.1499996185303 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15.25 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15.2700004577637 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15.3000001907349 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15.3999996185303 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15.5 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16.0499992370605 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16.1000003814697 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16.1900005340576 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16.2999992370605 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16.4500007629395 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16.4799995422363 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16.5 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16.5100002288818 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16.5499992370605 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 17 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 17.0400009155273 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 17.0499992370605 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 17.2000007629395 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 17.2999992370605 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 17.3500003814697 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 17.4799995422363 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 18 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 18.0599994659424 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 18.1499996185303 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 19.1499996185303 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 19.2399997711182 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 20.0200004577637 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 20.2999992370605 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 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.