| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 15 |
10.1%
|
| 2 | B | 47 |
31.8%
|
| 3 | C* | 35 |
23.6%
|
| 4 | D | 51 |
34.5%
|
| Sysmiss | 852 |