| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 10541 |
96.8%
|
| 1 | A few times last year | 225 |
2.1%
|
| 2 | About once a month | 96 |
0.9%
|
| 3 | About once a week | 20 |
0.2%
|
| 4 | More than once a week | 8 |
0.1%
|
| Sysmiss | 26 |