| Value |
Category |
| 1 |
2 times a month or more |
| 2 |
Once a month |
| 3 |
Every 2 to 3 months |
| 4 |
Every 4 to 6 months |
| 5 |
About once a year |
| 6 |
Less than once a year |
| 9 |
Don’t know/No Answer |
| Sysmiss |
|
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.
