| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 32 |
20.8%
|
| 1 | Yes, more than once in the last six months | 104 |
67.5%
|
| 2 | Yes, once in the last six months | 18 |
11.7%
|
| Sysmiss | 8935 |