| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 179 |
45.5%
|
| 2 | B | 46 |
11.7%
|
| 3 | C | 52 |
13.2%
|
| 4 | D | 116 |
29.5%
|
| Sysmiss | 607 |