| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 3 |
0.3%
|
| 0 | always | 796 |
86.3%
|
| 1 | sometimes | 99 |
10.7%
|
| 2 | never | 24 |
2.6%
|
| Sysmiss | 3199 |