| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 37 |
59.7%
|
| 2 | Yes, one or twice in the last six months | 10 |
16.1%
|
| 3 | No | 15 |
24.2%
|
| Sysmiss | 7785 |