| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 122 |
18.2%
|
| 1 | Yes, more than once in the last six months | 413 |
61.5%
|
| 2 | Yes, once in the last six months | 136 |
20.3%
|
| Sysmiss | 8418 |