| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 33 |
27.7%
|
| 2 | B* | 38 |
31.9%
|
| 3 | C | 18 |
15.1%
|
| 4 | D | 30 |
25.2%
|
| Sysmiss | 881 |