| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 2 |
0.2%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 1 |
0.1%
|
| 1 | always | 168 |
18.2%
|
| 2 | often | 340 |
36.9%
|
| 3 | sometimes | 274 |
29.7%
|
| 4 | never | 137 |
14.9%
|
| 5 | oc | 0 |
0%
|
| Sysmiss | 3199 |