| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 281 |
56.2%
|
| 2 | Yes, one or twice in the last six months | 92 |
18.4%
|
| 3 | No | 127 |
25.4%
|
| Sysmiss | 7347 |