| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 33040 |
97.3%
|
| 1 | Often | 318 |
0.9%
|
| 2 | Sometimes | 489 |
1.4%
|
| 3 | Yes, but not in the last 12 months | 109 |
0.3%
|
| Sysmiss | 15081 |