| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 16 |
11.7%
|
| 2 | B | 3 |
2.2%
|
| 3 | C | 4 |
2.9%
|
| 4 | D* | 114 |
83.2%
|
| Sysmiss | 863 |