Value |
Category |
1 |
Less than 15 minutes |
2 |
15 ? 29 minutes |
3 |
30 ? 89 minutes |
4 |
90 minutes and more |
5 |
Do not know |
9 |
Unspecified |
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.