| Value | Category | Cases | |
|---|---|---|---|
| 1 | No education | 3 | 
                                                                 
                                    
                                    50%
                                 
                                                             | 
                                                        
                    
| 2 | Pre-school | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 3 | Primary | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 4 | Middle | 1 | 
                                                                 
                                    
                                    16.7%
                                 
                                                             | 
                                                        
                    
| 5 | Secondary | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 6 | Higher | 2 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 9854 |