| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 1 |
0.1%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 1 |
0.1%
|
| 1 | always | 56 |
5.7%
|
| 2 | often | 205 |
21%
|
| 3 | sometimes | 424 |
43.5%
|
| 4 | never | 288 |
29.5%
|
| Sysmiss | 3146 |