| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 2652 |
50.5%
|
| 2 | Yes, one or twice in the last six months | 882 |
16.8%
|
| 3 | No | 1719 |
32.7%
|
| Sysmiss | 3836 |