| Value |
Category |
| 1 |
Never |
| 2 |
Less than once a year |
| 3 |
Once a year to a few times a year |
| 4 |
Less than once a month |
| 5 |
At least once a month |
| 6 |
At least once a week |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.