| Value |
Category |
| 1 |
1. Daily |
| 2 |
2. At least once a week |
| 3 |
3. At least once a month |
| 4 |
4. At least once a year |
| 5 |
5. Less than once a year |
| 6 |
6. Don't know |
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.