| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 20107 |
98.4%
|
| 1 | often | 229 |
1.1%
|
| 2 | sometimes | 101 |
0.5%
|
| 3 | yes, but not in the last 12 months | 0 |
0%
|
| 4 | yes, but frequency in last 12 months missing | 0 |
0%
|
| Sysmiss | 15346 |