| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 25 |
19.4%
|
| 2 | B | 50 |
38.8%
|
| 3 | C | 15 |
11.6%
|
| 4 | D* | 39 |
30.2%
|
| Sysmiss | 871 |