| Value |
Category |
| 1 |
1. every day |
| 2 |
2. several times per week |
| 3 |
3. several times per month |
| 4 |
4. several times per year |
| 5 |
5. never |
| 9 |
9. don't know |
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.