| Value |
Category |
| 1 |
Less than one year |
| 2 |
1 to 5 years |
| 3 |
5 to 10 years |
| 4 |
More than 10 years |
| 8 |
Do not remember |
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.