| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 46563 |
87.1%
|
| 1 | yes | 6834 |
12.8%
|
| 8 | refused to answer | 10 |
0%
|
| 9 | don't know | 37 |
0.1%
|