Value |
Category |
1 |
This yr or last (up to 12 months) |
2 |
2 years |
3 |
3 |
4 |
4-6 |
5 |
7-10 |
6 |
11-20 |
7 |
21+ years |
9 |
NIU (not in universe) |
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.