| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 24 |
16.6%
|
| 2 | B | 18 |
12.4%
|
| 3 | C | 28 |
19.3%
|
| 4 | D* | 75 |
51.7%
|
| Sysmiss | 855 |