| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 12 |
8.2%
|
| 2 | B | 22 |
15%
|
| 3 | C | 67 |
45.6%
|
| 4 | D* | 46 |
31.3%
|
| Sysmiss | 853 |