| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 75 |
57.7%
|
| 2 | B | 37 |
28.5%
|
| 3 | C | 16 |
12.3%
|
| 4 | D | 2 |
1.5%
|
| Sysmiss | 870 |