| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 21 |
51.2%
|
| 1 | Yes, more than once in the last six months | 14 |
34.1%
|
| 2 | Yes, once in the last six months | 6 |
14.6%
|
| Sysmiss | 7806 |