| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2 |
18.2%
|
| 1 | Yes, more than once in the last six months | 8 |
72.7%
|
| 2 | Yes, once in the last six months | 1 |
9.1%
|
| Sysmiss | 7836 |