| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 1 |
0.1%
|
| 2 | Often | 25 |
2.5%
|
| 3 | Sometimes | 2 |
0.2%
|
| 4 | Never | 14 |
1.4%
|
| 5 | I dont know | 26 |
2.6%
|
| Sysmiss | 931 |