| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 28 |
21.4%
|
| 2 | B* | 46 |
35.1%
|
| 3 | C | 45 |
34.4%
|
| 4 | D | 12 |
9.2%
|
| Sysmiss | 869 |