Value |
Category |
0 |
<12 months |
1 |
1 year |
2 |
2 years |
3 |
3 years |
4 |
4 years |
5 |
5 years |
6 |
6+ years |
7 |
non-numeric |
8 |
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.