| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 51 |
38.1%
|
| 2 | B | 27 |
20.1%
|
| 3 | C | 14 |
10.4%
|
| 4 | D | 42 |
31.3%
|
| Sysmiss | 866 |