| Value | Category | Cases | |
|---|---|---|---|
| 0 | 531 |
22.2%
|
|
| 1 | 210 |
8.8%
|
|
| 2 | 137 |
5.7%
|
|
| 3 | 577 |
24.1%
|
|
| 4 | 942 |
39.3%
|
|
| Sysmiss | 2432 |