| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2206 |
96.9%
|
| 1 | Often | 12 |
0.5%
|
| 2 | Sometimes | 41 |
1.8%
|
| 3 | Yes, but not in the last 12 months | 15 |
0.7%
|
| 4 | Yes, but frequency in last 12 months missing | 2 |
0.1%
|
| 9 | 7 | ||
| Sysmiss | 2982 |