Value |
Category |
1 |
Less than 2 years |
2 |
2 to 5 years |
3 |
6 to 10 years |
4 |
More than 10 years |
98 |
Don’t know |
Sysmiss |
|
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.