Value |
Category |
0 |
|
1 |
Daily |
2 |
Not daily but at least once a week |
3 |
Not even once a week |
4 |
Not known |
6 |
|
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.