| Value |
Category |
| 0 |
|
| 1 |
Yes, weekly |
| 2 |
Yes, monthly |
| 3 |
Yes, quarterly |
| 4 |
Yes, annually |
| 5 |
No |
| 6 |
Other (specify) |
| 9 |
|
| 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.