Value |
Category |
-9 |
Missing Data |
1 |
1 month |
2 |
Betw 1 & 3 months |
3 |
3-6 months |
4 |
Betw 6 & 12 months |
5 |
12 months or more |
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.