| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 61 |
43.9%
|
| 2 | B | 23 |
16.5%
|
| 3 | C | 33 |
23.7%
|
| 4 | D | 22 |
15.8%
|
| Sysmiss | 861 |