| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 39294 |
81.7%
|
| 1 | yes | 8249 |
17.2%
|
| 8 | refused to answer | 84 |
0.2%
|
| 9 | don't know | 457 |
1%
|