| Value |
Category |
| 1 |
1. Last 12 months |
| 2 |
2. 2 to 4 years ago |
| 3 |
3. 5 to 10 years ago |
| 4 |
4. > 10 years ago |
| 5 |
5. Never |
| 999 |
999. 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.
