| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 67 |
47.9%
|
| 2 | B | 25 |
17.9%
|
| 3 | C | 21 |
15%
|
| 4 | D | 27 |
19.3%
|
| Sysmiss | 860 |