| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 39 |
11.3%
|
| 2 | B* | 246 |
71.1%
|
| 3 | C | 19 |
5.5%
|
| 4 | D | 42 |
12.1%
|
| Sysmiss | 654 |