Value |
Category |
1 |
1-12 months ago |
2 |
2 years ago |
3 |
3 years ago |
4 |
4 years ago |
5 |
5 years ago or more |
9 |
Do not know, do not remember |
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.