| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 35 |
4.6%
|
| -8 | does not apply | 1 |
0.1%
|
| -7 | refused to answer | 4 |
0.5%
|
| 0 | no | 602 |
79.6%
|
| 1 | yes | 114 |
15.1%
|