| Value | Category | Cases | |
|---|---|---|---|
| -88 | don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -66 | refuse to answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | None | 25 | 
                                                                 
                                    
                                    35.7%
                                 
                                                             | 
                                                        
                    
| 2 | Some primary | 35 | 
                                                                 
                                    
                                    50%
                                 
                                                             | 
                                                        
                    
| 3 | Completed primary | 4 | 
                                                                 
                                    
                                    5.7%
                                 
                                                             | 
                                                        
                    
| 4 | Some secondary | 6 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             | 
                                                        
                    
| 5 | Completed secondary | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 6 | Some university | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 7 | Completed university | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 8 | Vocational training | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 430 |