| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1281 |
84.3%
|
| 1 | 1. yes, more than a year ago | 56 |
3.7%
|
| 2 | 2. yes, in the last year | 182 |
12%
|
| Sysmiss | 44 |