| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 17700 |
86.6%
|
| 1 | often | 1901 |
9.3%
|
| 2 | sometimes | 836 |
4.1%
|
| 3 | yes, but not in the last 12 months | 0 |
0%
|
| 4 | yes, but frequency in last 12 months missing | 0 |
0%
|
| Sysmiss | 15346 |