| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 1247 |
60.2%
|
| 2 | no | 693 |
33.4%
|
| 3 | don't know | 132 |
6.4%
|
| 9 | na | 0 |
0%
|
| Sysmiss | 928 |