| Value |
Category |
| 1 |
< 1 month |
| 2 |
1 month < 3 months |
| 3 |
3 month < 6 months |
| 4 |
6 months < 1 year |
| 5 |
1 year < 2 years |
| 6 |
2 years or more |
| 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.