| Value |
Category |
| 1 |
Weekly (once a week) |
| 2 |
Biweekly (every 2 weeks) |
| 3 |
Monthly (every month) |
| 4 |
Bi-monthly (every two months) |
| 5 |
Quarterly (every 3 months) |
| 6 |
Semiannual (every 6 months) |
| 7 |
Annual (once a year) |
| Missing value |
|
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.
