| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 1521 |
50%
|
| 2 | Yes, one or twice in the last six months | 592 |
19.5%
|
| 3 | No | 928 |
30.5%
|
| Sysmiss | 4806 |