| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 14 |
10.6%
|
| 2 | B | 27 |
20.5%
|
| 3 | C | 15 |
11.4%
|
| 4 | D* | 76 |
57.6%
|
| Sysmiss | 868 |