Value |
Category |
1 |
Less than 15 min |
2 |
15 - 29 min |
3 |
30 ? 44 min |
4 |
45 ? 59 min |
5 |
60 min or more |
8 |
Not applicable |
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.