| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 23 |
16.1%
|
| 2 | B | 11 |
7.7%
|
| 3 | C* | 78 |
54.5%
|
| 4 | D | 31 |
21.7%
|
| Sysmiss | 857 |