| Value |
Category |
| 1 |
Less than 1 month |
| 2 |
1-2 months |
| 3 |
3-5 months |
| 4 |
6-11 months |
| 5 |
12-17 months |
| 6 |
18-23 months |
| 7 |
24-47 months |
| 8 |
4 years or longer |
| 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.