| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 28 |
18.5%
|
| 2 | B | 34 |
22.5%
|
| 3 | C* | 48 |
31.8%
|
| 4 | D | 41 |
27.2%
|
| Sysmiss | 849 |