| Value |
Category |
| 1 |
0 to 20 minutes |
| 2 |
21 to 40 minutes |
| 3 |
41 to 60 minutes |
| 4 |
61 to 90 minutes |
| 5 |
1.5 to 3 hours |
| 6 |
More than 3 hours |
| 8 |
Don't know |
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.