Value |
Category |
1 |
less than 5 minutes |
2 |
6-15 minutes |
3 |
16-30 minutes |
4 |
31-60 |
5 |
more than 1 hour |
7 |
don't know |
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.