| Value | Category | Cases | |
|---|---|---|---|
| 1 | Form 1 | 774 |
35.7%
|
| 2 | Form 2 | 664 |
30.6%
|
| 3 | Form 3 | 727 |
33.5%
|
| 4 | Some other form | 6 |
0.3%
|
| 5 | Ungraded or other grade | 0 |
0%
|
| Sysmiss | 26 |