| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 60 |
15.7%
|
| 2 | B* | 226 |
59%
|
| 3 | C | 37 |
9.7%
|
| 4 | D | 60 |
15.7%
|
| Sysmiss | 617 |