| Value | Category | Cases | |
|---|---|---|---|
| 1 | Form 1 | 3 |
0.2%
|
| 2 | Form 2 | 565 |
36%
|
| 3 | Form 3 | 601 |
38.3%
|
| 4 | Form 4 | 399 |
25.4%
|
| 5 | Ungraded or other grade | 0 |
0%
|
| Sysmiss | 14 |