| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 70 |
46.1%
|
| 2 | B | 27 |
17.8%
|
| 3 | C | 16 |
10.5%
|
| 4 | D | 39 |
25.7%
|
| Sysmiss | 848 |