| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 11223 |
23.3%
|
| 1 | yes | 35301 |
73.4%
|
| 8 | refused to answer | 106 |
0.2%
|
| 9 | don't know | 1454 |
3%
|