Value |
Category |
1 |
within the last year |
2 |
1-3 years ago |
3 |
4-5 years ago |
4 |
5 years ago or more |
7 |
|
8 |
don't remember |
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.