| Value | Category | Cases | |
|---|---|---|---|
| 1 | Prim 6 | 749 |
40%
|
| 2 | Prim 7 | 312 |
16.7%
|
| 3 | Prim 8 | 556 |
29.7%
|
| 4 | Sec 1 | 256 |
13.7%
|
| Sysmiss | 125 |