Value |
Category |
2 |
level 2 |
3 |
level 3 |
4 |
level 4 |
5 |
level 5 |
6 |
level 6 |
7 |
level 7 |
8 |
level 8 |
99 |
don't know |
999 |
not applicable |
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.