Value |
Category |
1 |
more than once a month |
2 |
once a month |
3 |
once every 3 months |
4 |
once in 6 months |
5 |
annually |
6 |
other |
7 |
|
11 |
|
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.