| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 4459 |
96.9%
|
| 1 | Often | 40 |
0.9%
|
| 2 | Sometimes | 79 |
1.7%
|
| 3 | Yes, but not in the last 12 months | 26 |
0.6%
|
| Sysmiss | 11882 |