| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 53 |
42.4%
|
| 2 | B | 41 |
32.8%
|
| 3 | C | 3 |
2.4%
|
| 4 | D | 28 |
22.4%
|
| Sysmiss | 875 |