| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 29512 |
61.4%
|
| 1 | yes | 18404 |
38.3%
|
| 8 | refused to answer | 27 |
0.1%
|
| 9 | don't know | 141 |
0.3%
|