| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 30 |
22.2%
|
| 2 | B* | 45 |
33.3%
|
| 3 | C | 21 |
15.6%
|
| 4 | D | 39 |
28.9%
|
| Sysmiss | 865 |