| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 631 |
69.5%
|
| 2 | Yes, one or twice in the last six months | 176 |
19.4%
|
| 3 | No | 101 |
11.1%
|
| Sysmiss | 8181 |