| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 5 |
0.5%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 1 | always | 26 |
2.8%
|
| 2 | often | 62 |
6.7%
|
| 3 | sometimes | 163 |
17.7%
|
| 4 | never | 666 |
72.2%
|
| 5 | oc | 0 |
0%
|
| Sysmiss | 3199 |