Value |
Category |
1 |
One week |
2 |
One month |
3 |
Three months |
4 |
Six months |
5 |
One year |
6 |
Other |
7 |
|
8 |
|
9 |
|
10 |
|
11 |
|
12 |
|
99 |
|
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.