| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 41024 |
85.3%
|
| 1 | yes | 6869 |
14.3%
|
| 8 | refused to answer | 30 |
0.1%
|
| 9 | don't know | 161 |
0.3%
|