| Value |
Category |
| 1 |
Up to half an hour |
| 2 |
From 0.5 to 1 hour |
| 3 |
From 1 to 2 hours |
| 4 |
More than 2 hours |
| 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.