| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 27 |
3.6%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 0 | no | 499 |
66%
|
| 1 | yes | 230 |
30.4%
|