| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | Never | 1626 | 1680 |
31.3%
|
| 1 | Once or twice | 1430 | 1440 |
26.8%
|
| 2 | More often | 2257 | 2244 |
41.8%
|
| 9 | 145 | 147 | ||
| Sysmiss | 6081 | 5811 |