| Value |
Category |
| 1 |
At least a year but less than 5 years |
| 2 |
Don't know |
| 3 |
Less than a year |
| 4 |
More than 5 years |
| 5 |
Refused |
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.
