| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 89 |
13.3%
|
| 1 | Yes, more than once in the last six months | 364 |
54.2%
|
| 2 | Yes, once in the last six months | 218 |
32.5%
|
| Sysmiss | 8418 |