| Value |
Category |
| -999999999 |
missing |
| 1 |
Less than 30 min |
| 2 |
30-59 min |
| 3 |
One to 2 hours |
| 4 |
More than 2 hours |
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.