| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 20 |
14.3%
|
| 2 | B* | 103 |
73.6%
|
| 3 | C | 11 |
7.9%
|
| 4 | D | 6 |
4.3%
|
| Sysmiss | 860 |