| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 427 |
6.4%
|
| 2 | no | 6130 |
92.2%
|
| 77 | don't know | 74 |
1.1%
|
| 88 | refused | 21 |
0.3%
|
| Sysmiss | 2 |