| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 15 |
11.2%
|
| 2 | B | 14 |
10.4%
|
| 3 | C* | 66 |
49.3%
|
| 4 | D | 39 |
29.1%
|
| Sysmiss | 866 |