| Value |
Category |
| 1 |
Within a week |
| 2 |
Within 3 months |
| 3 |
3 to 6 months |
| 4 |
6 to 12 months |
| 5 |
More than 12 months |
| 6 |
Never |
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.