| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 192 |
50.9%
|
| 2 | B | 79 |
21%
|
| 3 | C | 46 |
12.2%
|
| 4 | D | 60 |
15.9%
|
| Sysmiss | 623 |