Value |
Category |
1 |
2 weeks ago |
2 |
2-4 weeks ago |
3 |
1-6 months ago |
4 |
7-12 months ago |
5 |
more than one year ago |
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.