| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 0 | no | 38788 |
80.7%
|
| 1 | yes | 6532 |
13.6%
|
| 8 | refused | 96 |
0.2%
|
| 9 | don’t know / can’t remember | 2668 |
5.5%
|