| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 17 |
13%
|
| 2 | B | 15 |
11.5%
|
| 3 | C* | 69 |
52.7%
|
| 4 | D | 30 |
22.9%
|
| Sysmiss | 869 |