| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 18 |
0.4%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 25 |
0.6%
|
| 0 | no | 457 |
11.1%
|
| 1 | yes | 3621 |
87.9%
|