| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 36307 |
67.9%
|
| 1 | yes | 17075 |
31.9%
|
| 8 | refused to answer | 5 |
0%
|
| 9 | don't know | 57 |
0.1%
|