| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 8 |
61.5%
|
| 1 | Yes, more than once in the last six months | 4 |
30.8%
|
| 2 | Yes, once in the last six months | 1 |
7.7%
|
| Sysmiss | 7834 |