Value |
Category |
1 |
Today |
2 |
Days ago |
3 |
Weeks ago |
4 |
Months ago |
5 |
Years ago |
8 |
Don't know |
9 |
Missing |
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.