| Value | Category | Cases | |
|---|---|---|---|
| 1 | None or Basic | 1885 | 
                                    
                                    34.4%
                                 | 
| 2 | Secondary | 1728 | 
                                    
                                    31.5%
                                 | 
| 3 | Higher | 1839 | 
                                    
                                    33.6%
                                 | 
| Sysmiss | 27 | 
                                    
                                    0.5%
                                 |