| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 13 |
9.7%
|
| 2 | B | 45 |
33.6%
|
| 3 | C* | 50 |
37.3%
|
| 4 | D | 26 |
19.4%
|
| Sysmiss | 866 |