| Value |
Category |
| 1 |
1. In the last 12 months |
| 2 |
2. Two to four years ago |
| 3 |
3. Five to ten years ago |
| 4 |
4. More than ten years ago |
| 5 |
5. Never |
| 9 |
9. Don't 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.