| Value |
Category |
| 1 |
Last 2 weeks |
| 2 |
3-4 weeks |
| 3 |
1-6 months |
| 4 |
7-12 months |
| 5 |
more than 1 year |
| 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.