| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 1621 |
68.6%
|
| 2 | Yes, one or twice in the last six months | 509 |
21.5%
|
| 3 | No | 233 |
9.9%
|
| Sysmiss | 6726 |