| Value |
Category |
| 1 |
Annually |
| 2 |
Bi-annually |
| 3 |
Fortnightly |
| 4 |
Monthly |
| 5 |
Quarterly |
| 6 |
Weekly |
| 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.
