| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 19 |
4.8%
|
| 2 | B* | 289 |
72.4%
|
| 3 | C | 37 |
9.3%
|
| 4 | D | 54 |
13.5%
|
| Sysmiss | 601 |