| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1st form | 223 |
27.5%
|
| 2 | 2nd form | 205 |
25.3%
|
| 3 | 3rd form | 243 |
30%
|
| 4 | 4th form | 140 |
17.3%
|
| Sysmiss | 26 |