| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 7 |
5.5%
|
| 2 | B | 5 |
3.9%
|
| 3 | C | 12 |
9.4%
|
| 4 | D* | 103 |
81.1%
|
| Sysmiss | 873 |