| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 69 |
19.1%
|
| 2 | B* | 126 |
34.8%
|
| 3 | C | 124 |
34.3%
|
| 4 | D | 43 |
11.9%
|
| Sysmiss | 638 |