| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 3577 |
68.1%
|
| 2 | Yes, one or twice in the last six months | 1187 |
22.6%
|
| 3 | No | 489 |
9.3%
|
| Sysmiss | 3836 |