| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 7680 |
97.2%
|
| 1 | Often | 98 |
1.2%
|
| 2 | Sometimes | 112 |
1.4%
|
| 3 | Yes, but not in the last 12 months | 14 |
0.2%
|
| Sysmiss | 8582 |