| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 64 |
47.4%
|
| 2 | B | 17 |
12.6%
|
| 3 | C | 36 |
26.7%
|
| 4 | D | 18 |
13.3%
|
| Sysmiss | 865 |