| Value |
Category |
| 1 |
less then 10 y |
| 2 |
years 10 to 25 |
| 3 |
years 25 to 50 |
| 4 |
years 50 to 100 |
| 5 |
grate then 100 |
| 9 |
|
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.