| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 77 |
59.2%
|
| 2 | B | 11 |
8.5%
|
| 3 | C | 27 |
20.8%
|
| 4 | D | 15 |
11.5%
|
| Sysmiss | 870 |