| Value |
Category |
| 0 |
Less than 1 month |
| 1 |
One month |
| 2 |
Two months |
| 3 |
Three months |
| 4 |
Four months |
| 5 |
Five months |
| 8 |
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.