| Value |
Category |
| 0 |
|
| 1 |
Less than 30 minutes |
| 2 |
30 - 45 minutes |
| 3 |
45 - 60 minutes |
| 4 |
More than 60 minutes |
| Sysmiss |
|
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.