| Value |
Category |
| 0 |
|
| 1 |
less than 3 months ago |
| 2 |
3 months to 1 year ago |
| 3 |
more than 1 year ago |
| 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.