| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 7602 |
94%
|
| 1 | Often | 131 |
1.6%
|
| 2 | Sometimes | 280 |
3.5%
|
| 3 | Yes, but not in the last 12 months | 72 |
0.9%
|
| Sysmiss | 8401 |