| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 57 |
7.5%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 1 | always | 7 |
0.9%
|
| 2 | often | 28 |
3.7%
|
| 3 | sometimes | 60 |
7.9%
|
| 4 | never | 604 |
79.9%
|