| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 19 |
12.2%
|
| 1 | Yes, more than once in the last six months | 102 |
65.4%
|
| 2 | Yes, once in the last six months | 35 |
22.4%
|
| Sysmiss | 7691 |