| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 7740 |
95.7%
|
| 1 | Often | 107 |
1.3%
|
| 2 | Sometimes | 186 |
2.3%
|
| 3 | Yes, but not in the last 12 months | 52 |
0.6%
|
| Sysmiss | 8401 |