| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 490 |
28.5%
|
| 2 | no | 1224 |
71.1%
|
| 8 | don't know | 6 |
0.3%
|
| 9 | refused | 2 |
0.1%
|
| Sysmiss | 2713 |