| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 10 |
8.1%
|
| 2 | B* | 51 |
41.5%
|
| 3 | C | 22 |
17.9%
|
| 4 | D | 40 |
32.5%
|
| Sysmiss | 877 |