| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 13 |
9.6%
|
| 2 | B | 2 |
1.5%
|
| 3 | C | 46 |
34.1%
|
| 4 | D* | 74 |
54.8%
|
| Sysmiss | 865 |