| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 1 |
0.7%
|
| 2 | B | 1 |
0.7%
|
| 3 | C | 44 |
32.1%
|
| 4 | D* | 91 |
66.4%
|
| Sysmiss | 863 |