Value |
Category |
1 |
less than 10 minutes |
2 |
10-20 min |
3 |
20-30 min |
4 |
30-60 min |
5 |
more than 1 hour |
9 |
no answer, refused to answer |
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.