| Value |
Category |
| 1 |
Less than a week |
| 2 |
One week-less than 1 month |
| 3 |
1-3 months |
| 4 |
3-6 months |
| 5 |
6-12 months |
| 6 |
One year or more |
| 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.