| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 122 |
79.2%
|
| 1 | Yes, more than once in the last six months | 26 |
16.9%
|
| 2 | Yes, once in the last six months | 6 |
3.9%
|
| Sysmiss | 8935 |