| Value | Category | 
                                    
                    
                        | 1 | completed desired school | 
                                    
                    
                        | 2 | no interest | 
                                    
                    
                        | 3 | no financial means,conditions | 
                                    
                    
                        | 4 | illness, old age | 
                                    
                    
                        | 5 | further schooling planned | 
                                    
                    
                        | 6 | other | 
                                    
                    
                        | 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.