| Value |
Category |
| -8 |
Don't know |
| 1 |
When I think there is a need for it |
| 2 |
Annually |
| 3 |
Termly |
| 4 |
Monthly |
| 5 |
Weekly |
| 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.