| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 44 |
34.4%
|
| 2 | B | 28 |
21.9%
|
| 3 | C | 26 |
20.3%
|
| 4 | D* | 30 |
23.4%
|
| Sysmiss | 872 |