| Value | Category | Cases | |
|---|---|---|---|
| 1 | Class 7 | 344 |
35.1%
|
| 2 | Class 8 | 386 |
39.4%
|
| 3 | Form 1 | 143 |
14.6%
|
| 4 | Form 2 | 107 |
10.9%
|
| 5 | Ungraded or other grade | 0 |
0%
|
| Sysmiss | 8 |