| Value |
Category |
| 1 |
Never or hardly ever |
| 2 |
Once or twice a year |
| 3 |
About 3 or 4 times a year |
| 4 |
More than 4 times a year |
| 7 |
|
| 8 |
|
| 9 |
|
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.