| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 24 |
17.1%
|
| 2 | B* | 77 |
55%
|
| 3 | C | 13 |
9.3%
|
| 4 | D | 26 |
18.6%
|
| Sysmiss | 860 |