| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 11 |
8.5%
|
| 2 | B | 17 |
13.2%
|
| 3 | C | 25 |
19.4%
|
| 4 | D* | 76 |
58.9%
|
| Sysmiss | 871 |