| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 1348 |
98.3%
|
| 1 | often | 0 |
0%
|
| 2 | sometimes | 17 |
1.2%
|
| 3 | yes, but not in the last 12 months | 6 |
0.4%
|
| 4 | yes, but frequency in last 12 months missing | 0 |
0%
|
| Sysmiss | 5142 |