| Value | Category | Cases | |
|---|---|---|---|
| 0 | no education | 11 | 
                                    
                                    14.1%
                                 | 
| 1 | primary | 42 | 
                                    
                                    53.8%
                                 | 
| 2 | secondary + | 16 | 
                                    
                                    20.5%
                                 | 
| 8 | dk | 0 | 
                                    
                                    0%
                                 | 
| 9 | 9 | 
                                    
                                    11.5%
                                 | |
| Sysmiss | 831 |