| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 76 |
55.5%
|
| 2 | B | 8 |
5.8%
|
| 3 | C | 29 |
21.2%
|
| 4 | D | 24 |
17.5%
|
| Sysmiss | 863 |