| Value |
Category |
| 1 |
Within the past year |
| 2 |
Between 1 - 2 years |
| 3 |
Between 2 - 4 years |
| 4 |
More than 4 years ago |
| 8 |
Don't know |
| 9 |
No response |
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.