| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 12 |
8.9%
|
| 2 | B | 22 |
16.3%
|
| 3 | C | 25 |
18.5%
|
| 4 | D* | 76 |
56.3%
|
| Sysmiss | 865 |