| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 74 |
50.3%
|
| 2 | B | 23 |
15.6%
|
| 3 | C | 34 |
23.1%
|
| 4 | D | 16 |
10.9%
|
| Sysmiss | 853 |