| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 98 |
26.3%
|
| 2 | B | 115 |
30.8%
|
| 3 | C | 50 |
13.4%
|
| 4 | D | 110 |
29.5%
|
| Sysmiss | 627 |