| Value | Category | Cases | |
|---|---|---|---|
| 0 | no education | 6 | 
                                                                 
                                    
                                    40%
                                 
                                                             | 
                                                        
                    
| 1 | primary | 7 | 
                                                                 
                                    
                                    46.7%
                                 
                                                             | 
                                                        
                    
| 2 | secondary | 2 | 
                                                                 
                                    
                                    13.3%
                                 
                                                             | 
                                                        
                    
| 3 | higher | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 8 | don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6466 |