| Value | Category | Cases | |
|---|---|---|---|
| 1 | Several times per week | 730 |
32.5%
|
| 2 | About once per week | 74 |
3.3%
|
| 3 | Several times per month | 358 |
15.9%
|
| 4 | Less than once per month but more than once a year | 524 |
23.3%
|
| 5 | About once per year or less | 461 |
20.5%
|
| 6 | Never. | 99 |
4.4%
|