| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 12 |
3%
|
| 2 | B | 23 |
5.8%
|
| 3 | C* | 326 |
81.7%
|
| 4 | D | 38 |
9.5%
|
| Sysmiss | 601 |