Value |
Category |
1 |
Up to 10 minutes |
2 |
10 to 30 minutes |
3 |
From 30 minutes to 1 hour |
4 |
From 1:00 to 2:00 |
5 |
2 hours or more |
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.