| Value |
Category |
| 1 |
Up to 1 month |
| 2 |
1 to 3 month |
| 3 |
4 to 6 month |
| 4 |
7 to 12 month |
| 5 |
1 to 2 years |
| 6 |
2 to 4 years |
| 7 |
Over 4 years |
| 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.