| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 63 |
44.4%
|
| 2 | B | 21 |
14.8%
|
| 3 | C | 34 |
23.9%
|
| 4 | D | 24 |
16.9%
|
| Sysmiss | 858 |