| Value |
Category |
| 1 |
Less than 5 min |
| 2 |
6-15 min |
| 3 |
16-30 min |
| 4 |
31-60 min |
| 5 |
more than 1 hour |
| 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.