| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 73 |
18.6%
|
| 2 | B | 7 |
1.8%
|
| 3 | C | 11 |
2.8%
|
| 4 | D* | 302 |
76.8%
|
| Sysmiss | 607 |