| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 6 |
4.8%
|
| 2 | B | 8 |
6.5%
|
| 3 | C | 30 |
24.2%
|
| 4 | D* | 80 |
64.5%
|
| Sysmiss | 876 |