| Value | Category | Cases | |
|---|---|---|---|
| 1 | A* | 68 |
56.2%
|
| 2 | B | 29 |
24%
|
| 3 | C | 16 |
13.2%
|
| 4 | D | 8 |
6.6%
|
| Sysmiss | 879 |