| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 143 |
66.8%
|
| 2 | Yes, one or twice in the last six months | 42 |
19.6%
|
| 3 | No | 29 |
13.6%
|
| Sysmiss | 7633 |