| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 30877 |
64.2%
|
| 1 | yes | 16714 |
34.8%
|
| 8 | refused to answer | 63 |
0.1%
|
| 9 | don't know | 430 |
0.9%
|