| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 2769 |
49.9%
|
| 2 | Yes, one or twice in the last six months | 952 |
17.1%
|
| 3 | No | 1831 |
33%
|
| Sysmiss | 2295 |