| Value |
Category |
| 1 |
less that 2 years |
| 2 |
2-5 years |
| 3 |
6-10 years |
| 4 |
11-20 years |
| 5 |
21-50 years |
| 6 |
More than 50 |
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.