| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 74 |
9.8%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 1 | always | 25 |
3.3%
|
| 2 | often | 55 |
7.3%
|
| 3 | sometimes | 153 |
20.2%
|
| 4 | never | 449 |
59.4%
|