| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 956 |
28.2%
|
| 1 | Yes, more than once in the last six months | 1785 |
52.7%
|
| 2 | Yes, once in the last six months | 646 |
19.1%
|
| Sysmiss | 5702 |