| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 20 |
15.4%
|
| 2 | B* | 71 |
54.6%
|
| 3 | C | 21 |
16.2%
|
| 4 | D | 18 |
13.8%
|
| Sysmiss | 870 |