| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 41377 |
86.1%
|
| 1 | yes | 3930 |
8.2%
|
| 8 | refused | 100 |
0.2%
|
| 9 | don’t know / can’t remember | 2677 |
5.6%
|