| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 13 |
59.1%
|
| 2 | Yes, one or twice in the last six months | 4 |
18.2%
|
| 3 | No | 5 |
22.7%
|
| Sysmiss | 7825 |