Value |
Category |
1 |
6 months ago |
2 |
7 - 12 months ago |
3 |
> 1 - 2 years ago |
4 |
3 - 5 years ago |
5 |
> 5 + yeas ago |
11 |
.M |
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.