| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 253 |
3.5%
|
| 2 | no | 6944 |
96.1%
|
| 77 | don't know | 25 |
0.3%
|
| 88 | refused | 1 |
0%
|
| Sysmiss | 3 |