| Value | Category | Cases | |
|---|---|---|---|
| 0 | 422 |
8.7%
|
|
| 1 | 482 |
9.9%
|
|
| 2 | 549 |
11.3%
|
|
| 3 | 1585 |
32.6%
|
|
| 4 | 1825 |
37.5%
|
|
| Sysmiss | 3712 |