| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 77 |
60.6%
|
| 2 | B | 26 |
20.5%
|
| 3 | C | 23 |
18.1%
|
| 4 | D | 1 |
0.8%
|
| Sysmiss | 873 |