| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 1 |
0.1%
|
| 2 | Often | 5 |
0.5%
|
| 3 | Sometimes | 17 |
1.7%
|
| 4 | Never | 11 |
1.1%
|
| 5 | I dont know | 0 |
0%
|
| Sysmiss | 965 |