| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 3 |
9.7%
|
| 1 | Yes, more than once in the last six months | 17 |
54.8%
|
| 2 | Yes, once in the last six months | 11 |
35.5%
|
| Sysmiss | 9058 |