Value |
Category |
1 |
1 year or less |
2 |
2 to 5 years |
3 |
5 to 9 years |
4 |
10 to 19 years |
5 |
20 years 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.