| Value |
Category |
| 1 |
Weekly |
| 2 |
Twice a month |
| 3 |
Monthly |
| 4 |
Once in 6 months |
| 5 |
Once a year |
| 6 |
Less frequently |
| 9 |
Unspecified |
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.
