| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2nd form | 181 |
27%
|
| 2 | 3rd form | 156 |
23.3%
|
| 3 | 4th form | 197 |
29.4%
|
| 4 | 5th form | 136 |
20.3%
|
| Sysmiss | 126 |