Value |
Category |
0 |
Not applicable |
1 |
Daily |
2 |
Weekly |
3 |
Monthly |
4 |
Quartely |
5 |
Half yearly |
6 |
Yearly |
9 |
|
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.