| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 47 |
34.8%
|
| 2 | B | 15 |
11.1%
|
| 3 | C | 6 |
4.4%
|
| 4 | D | 67 |
49.6%
|
| Sysmiss | 865 |