| Value | Category | Cases | |
|---|---|---|---|
| 1 | A | 34 |
8.9%
|
| 2 | B* | 214 |
56.3%
|
| 3 | C | 64 |
16.8%
|
| 4 | D | 68 |
17.9%
|
| Sysmiss | 620 |