| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 3 |
23.1%
|
| 1 | Yes, more than once in the last six months | 8 |
61.5%
|
| 2 | Yes, once in the last six months | 2 |
15.4%
|
| Sysmiss | 7834 |