| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2201 |
96.6%
|
| 1 | Often | 21 |
0.9%
|
| 2 | Sometimes | 47 |
2.1%
|
| 3 | Yes, but not in the last 12 months | 6 |
0.3%
|
| 4 | Yes, but frequency in last 12 months missing | 3 |
0.1%
|
| 9 | 5 | ||
| Sysmiss | 2982 |