| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 47 |
36.7%
|
| 2 | B* | 44 |
34.4%
|
| 3 | C | 26 |
20.3%
|
| 4 | D | 11 |
8.6%
|
| Sysmiss | 872 |