| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 20193 |
98.8%
|
| 1 | often | 156 |
0.8%
|
| 2 | sometimes | 88 |
0.4%
|
| 3 | yes, but not in the last 12 months | 0 |
0%
|
| 4 | yes, but frequency in last 12 months missing | 0 |
0%
|
| Sysmiss | 15346 |