| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 81 |
20.8%
|
| 2 | B* | 222 |
57.1%
|
| 3 | C | 45 |
11.6%
|
| 4 | D | 41 |
10.5%
|
| Sysmiss | 611 |