| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 154 |
25.6%
|
| 1 | Yes, more than once in the last six months | 349 |
58.1%
|
| 2 | Yes, once in the last six months | 98 |
16.3%
|
| Sysmiss | 8488 |