| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 1401 |
67.7%
|
| 2 | no | 528 |
25.5%
|
| 3 | don't know | 139 |
6.7%
|
| 9 | na | 0 |
0%
|
| Sysmiss | 932 |