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