| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 18 |
13.5%
|
| 2 | B* | 66 |
49.6%
|
| 3 | C | 9 |
6.8%
|
| 4 | D | 40 |
30.1%
|
| Sysmiss | 867 |