| Value |
Category |
| 1 |
6 months ago |
| 2 |
7-11 months ago |
| 3 |
1-2 years ago |
| 4 |
3-5 years ago |
| 5 |
Over 5 years ago |
| 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.