| Value |
Category |
| 1 |
Once a week |
| 2 |
Twice a week |
| 3 |
Once every two weeks |
| 4 |
Monthly |
| 5 |
No schedule |
| 8 |
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.