| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 149 |
38.6%
|
| 2 | B | 104 |
26.9%
|
| 3 | C | 81 |
21%
|
| 4 | D | 52 |
13.5%
|
| Sysmiss | 614 |