| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 1266 |
88.6%
|
| 1 | 1. yes, more than a year ago | 50 |
3.5%
|
| 2 | 2. yes, in the last year | 113 |
7.9%
|
| Sysmiss | 134 |