| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 21 |
15.1%
|
| 2 | B | 29 |
20.9%
|
| 3 | C | 22 |
15.8%
|
| 4 | D* | 67 |
48.2%
|
| Sysmiss | 861 |