| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 68 |
47.6%
|
| 2 | B | 45 |
31.5%
|
| 3 | C | 23 |
16.1%
|
| 4 | D | 7 |
4.9%
|
| Sysmiss | 857 |