| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or almost never | 44835 |
8.9%
|
| 2 | A few times a year | 75415 |
14.9%
|
| 3 | About once a month | 102778 |
20.3%
|
| 4 | Several times a month | 158786 |
31.4%
|
| 5 | Several times a week | 124125 |
24.5%
|
| 7 | N/A | 4041 | |
| 8 | Invalid | 1225 | |
| 9 | Miss | 4753 |