| Value |
Category |
| 1 |
0-3 months |
| 2 |
3-6 months |
| 3 |
6-12 months |
| 4 |
1-2 years |
| 5 |
2-4 years |
| 6 |
4-6 years |
| 7 |
6-8 years |
| 8 |
8-10 years |
| 9 |
Over 10 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.