| Value | Category | Cases | |
|---|---|---|---|
| 0 | 947 |
29.3%
|
|
| 1 | 1. yes | 813 |
25.2%
|
| 2 | 2. no | 1119 |
34.7%
|
| 3 | 204 |
6.3%
|
|
| 4 | 144 |
4.5%
|
|
| Sysmiss | 1311 |