| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 22 |
16.1%
|
| 2 | B* | 63 |
46%
|
| 3 | C | 19 |
13.9%
|
| 4 | D | 33 |
24.1%
|
| Sysmiss | 863 |