| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 22575 |
42.2%
|
| 1 | yes | 30830 |
57.7%
|
| 8 | refused to answer | 3 |
0%
|
| 9 | don't know | 36 |
0.1%
|