| Value | Category | Cases | |
|---|---|---|---|
| 1 | Standard 6 | 173 |
14.1%
|
| 2 | Form 1 | 491 |
40%
|
| 3 | Form 2 | 258 |
21%
|
| 4 | Form 3 | 305 |
24.9%
|
| Sysmiss | 16 |