| Value | Category | Cases | |
|---|---|---|---|
| 1 | BASIC | 879 | 
                                    
                                    7.7%
                                 | 
| 2 | SECONDARY | 834 | 
                                    
                                    7.3%
                                 | 
| 3 | HIGHER | 1078 | 
                                    
                                    9.4%
                                 | 
| Sysmiss | 8673 | 
                                    
                                    75.7%
                                 |