| Value |
Category |
| 1 |
15-30 minutes |
| 2 |
30-45 minutes |
| 3 |
45-60 minutes |
| 4 |
Don't know |
| 5 |
Less than 15 minutes |
| 6 |
more than one hour. |
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.