| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 87 |
68%
|
| 2 | B | 10 |
7.8%
|
| 3 | C | 7 |
5.5%
|
| 4 | D | 24 |
18.8%
|
| Sysmiss | 872 |