| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 20 |
15.3%
|
| 2 | B | 14 |
10.7%
|
| 3 | C | 39 |
29.8%
|
| 4 | D* | 58 |
44.3%
|
| Sysmiss | 869 |