| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 3 |
0.3%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 3 |
0.3%
|
| 1 | always | 51 |
5.2%
|
| 2 | often | 168 |
17.2%
|
| 3 | sometimes | 373 |
38.3%
|
| 4 | never | 377 |
38.7%
|
| Sysmiss | 3146 |