| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 9 |
7.2%
|
| 2 | B | 21 |
16.8%
|
| 3 | C* | 58 |
46.4%
|
| 4 | D | 37 |
29.6%
|
| Sysmiss | 875 |