| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 24 |
18%
|
| 2 | B | 28 |
21.1%
|
| 3 | C | 14 |
10.5%
|
| 4 | D* | 67 |
50.4%
|
| Sysmiss | 867 |