| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 4124 |
89.6%
|
| 1 | Often | 155 |
3.4%
|
| 2 | Sometimes | 225 |
4.9%
|
| 3 | Yes, but not in the last 12 months | 100 |
2.2%
|
| Sysmiss | 11882 |