| Value | Category | Cases | |
|---|---|---|---|
| 0 | 908 |
18.9%
|
|
| 1 | 412 |
8.6%
|
|
| 2 | 567 |
11.8%
|
|
| 3 | 1295 |
26.9%
|
|
| 4 | 1634 |
33.9%
|
|
| Sysmiss | 3759 |