| Value |
Category |
| 1 |
Yesterday |
| 2 |
One week ago |
| 3 |
Two weeks ago |
| 4 |
One month ago |
| 5 |
Two months ago |
| 6 |
3to6 Months ago |
| 7 |
More than a year ago |
| 8 |
Never |
| 88 |
DK |
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.