| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 16 |
11.7%
|
| 2 | B | 13 |
9.5%
|
| 3 | C | 7 |
5.1%
|
| 4 | D* | 101 |
73.7%
|
| Sysmiss | 863 |