| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 51 |
35.7%
|
| 2 | B | 40 |
28%
|
| 3 | C | 25 |
17.5%
|
| 4 | D | 27 |
18.9%
|
| Sysmiss | 857 |