Value |
Category |
1 |
Weekly |
2 |
Monthly |
3 |
Once a term |
4 |
Half Yearly |
5 |
Yearly |
6 |
Ad hoc |
11 |
|
96 |
Other (specify) |
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.