| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, several times in the past six months | 42 |
72.4%
|
| 2 | Yes, one or twice in the last six months | 3 |
5.2%
|
| 3 | No | 13 |
22.4%
|
| Sysmiss | 9031 |