| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 61 |
48.4%
|
| 2 | B | 31 |
24.6%
|
| 3 | C | 13 |
10.3%
|
| 4 | D | 21 |
16.7%
|
| Sysmiss | 874 |