| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 7845 |
97%
|
| 1 | Often | 92 |
1.1%
|
| 2 | Sometimes | 114 |
1.4%
|
| 3 | Yes, but not in the last 12 months | 34 |
0.4%
|
| Sysmiss | 8401 |