| Value |
Category |
| 1 |
Monthly |
| 2 |
Every two (2) months |
| 3 |
Every three (3) months |
| 4 |
Every six (6) months |
| 5 |
Other (Specify) |
| 6 |
Not applicable |
| 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.