| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 17 |
13.9%
|
| 2 | B | 14 |
11.5%
|
| 3 | C* | 63 |
51.6%
|
| 4 | D | 28 |
23%
|
| Sysmiss | 878 |