| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 20 |
14.7%
|
| 2 | B | 6 |
4.4%
|
| 3 | C | 40 |
29.4%
|
| 4 | D* | 70 |
51.5%
|
| Sysmiss | 864 |