| Value | Category | Cases | |
|---|---|---|---|
| 1 | Form 1 | 248 |
12.7%
|
| 2 | Form 2 | 351 |
18%
|
| 3 | Form 3 | 408 |
21%
|
| 4 | Form 4 | 320 |
16.4%
|
| 5 | Form 5 | 444 |
22.8%
|
| 6 | Lower 6 | 103 |
5.3%
|
| 7 | Upper 6 | 73 |
3.7%
|
| Sysmiss | 23 |