| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 65 |
44.5%
|
| 2 | B | 25 |
17.1%
|
| 3 | C | 17 |
11.6%
|
| 4 | D | 39 |
26.7%
|
| Sysmiss | 854 |