| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 27 |
2.8%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 3 |
0.3%
|
| 1 | always | 84 |
8.6%
|
| 2 | often | 196 |
20.1%
|
| 3 | sometimes | 444 |
45.5%
|
| 4 | never | 221 |
22.7%
|
| Sysmiss | 3146 |