| Value | Category | Cases | |
|---|---|---|---|
| 0 | none/preschool | 1 | 
                                    
                                    50%
                                 | 
| 1 | primary inc (< 7) | 1 | 
                                    
                                    50%
                                 | 
| 2 | primary complete (7) | 0 | 
                                    
                                    0%
                                 | 
| 3 | secy incomplete (8-11) | 0 | 
                                    
                                    0%
                                 | 
| 4 | secy complete (12)/higher | 0 | 
                                    
                                    0%
                                 | 
| 8 | don't know | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6390 |