| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 8 |
5.6%
|
| 2 | B | 55 |
38.7%
|
| 3 | C | 19 |
13.4%
|
| 4 | D* | 60 |
42.3%
|
| Sysmiss | 858 |