| Value |
Category |
| 1 |
About once a week |
| 2 |
About once a month |
| 3 |
About once or twice a year |
| 4 |
Rarely or never |
| 7 |
Not applicable |
| 8 |
Don't know |
| 9 |
Missing |
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.