| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 15 |
11.1%
|
| 2 | B | 23 |
17%
|
| 3 | C* | 73 |
54.1%
|
| 4 | D | 24 |
17.8%
|
| Sysmiss | 865 |