| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 1 |
0.1%
|
| 2 | Often | 8 |
0.8%
|
| 3 | Sometimes | 21 |
2.1%
|
| 4 | Never | 0 |
0%
|
| 5 | I dont know | 0 |
0%
|
| Sysmiss | 969 |