| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 10 |
7.1%
|
| 2 | B | 24 |
17.1%
|
| 3 | C | 22 |
15.7%
|
| 4 | D* | 84 |
60%
|
| Sysmiss | 860 |