Value |
Category |
1 |
from last 3 months |
2 |
4-6 months |
3 |
7-12 months |
4 |
more than a year |
7 |
don't know |
8 |
refuse to answer |
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.