| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 86 |
65.2%
|
| 2 | B | 19 |
14.4%
|
| 3 | C | 12 |
9.1%
|
| 4 | D | 15 |
11.4%
|
| Sysmiss | 868 |