| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 810 |
22.9%
|
| 1 | Yes, more than once in the last six months | 1816 |
51.3%
|
| 2 | Yes, once in the last six months | 913 |
25.8%
|
| Sysmiss | 5550 |