| Value | Category | Cases | |
|---|---|---|---|
| 1 | Free | 186 | 
                                    
                                    86.1%
                                 | 
| 2 | Some students must pay | 8 | 
                                    
                                    3.7%
                                 | 
| 3 | All must pay) | 22 | 
                                    
                                    10.2%
                                 | 
| Sysmiss | 10 |