| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 28 |
7.5%
|
| 2 | B* | 307 |
82.1%
|
| 3 | C | 20 |
5.3%
|
| 4 | D | 19 |
5.1%
|
| Sysmiss | 626 |