Value |
Category |
1 |
no time |
2 |
less than 1 hour |
3 |
1 to 2 hours |
4 |
more than 2 but less than 4 hours |
5 |
4 or more hours |
9 |
omitted |
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.