| Value |
Category |
| 1 |
One day |
| 2 |
One week |
| 3 |
Two weeks / half a month |
| 4 |
One month |
| 5 |
Six months |
| 6 |
One year |
| 7 |
Other |
| 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.