| Value | Category | Cases | |
|---|---|---|---|
| 1 | Standard 7 | 628 |
33.3%
|
| 2 | Standard 8 | 501 |
26.6%
|
| 3 | Form 1 | 526 |
27.9%
|
| 4 | Form 2 | 231 |
12.2%
|
| Sysmiss | 9 |