| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 487 |
29.5%
|
| 2 | no | 1137 |
68.8%
|
| 3 | don't know | 28 |
1.7%
|
| 9 | na | 0 |
0%
|
| Sysmiss | 1348 |