| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 258 |
3.5%
|
| 2 | no | 6960 |
94.7%
|
| 77 | don't know | 106 |
1.4%
|
| 88 | refused | 29 |
0.4%
|
| Sysmiss | 13 |