| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 33 |
21.2%
|
| 1 | Yes, more than once in the last six months | 93 |
59.6%
|
| 2 | Yes, once in the last six months | 30 |
19.2%
|
| Sysmiss | 7691 |