| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 21 |
2.8%
|
| -8 | does not apply | 3 |
0.4%
|
| -7 | refused to answer | 0 |
0%
|
| 0 | no | 302 |
39.9%
|
| 1 | yes | 430 |
56.9%
|