| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 160 |
23.8%
|
| 1 | Yes, more than once in the last six months | 344 |
51.3%
|
| 2 | Yes, once in the last six months | 167 |
24.9%
|
| Sysmiss | 8418 |