| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 52 |
39.1%
|
| 2 | B | 39 |
29.3%
|
| 3 | C | 20 |
15%
|
| 4 | D | 22 |
16.5%
|
| Sysmiss | 867 |