| Value |
Category |
| 0 |
Never |
| 1 |
Last week |
| 2 |
Last month |
| 3 |
In the past months |
| 4 |
In the past year |
| 5 |
In the past 5 years |
| 6 |
5 years or longer |
| 9 |
Do not 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.