| Value | Category | Cases | |
|---|---|---|---|
| 0 | none/preschool | 1 | 
                                    
                                    50%
                                 | 
| 1 | primary incomplete (< 7) | 1 | 
                                    
                                    50%
                                 | 
| 2 | primary complete/secy inc (7-11) | 0 | 
                                    
                                    0%
                                 | 
| 3 | secy complete/higher (12+) | 0 | 
                                    
                                    0%
                                 | 
| 8 | don't know | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6390 |