Value |
Category |
-999 |
missing |
-777 |
not applicable |
-666 |
don't know |
0 |
|
1 |
|
2 |
|
3 |
|
7777 |
NOT APPLICABLE |
8888 |
DON'T KNOW |
9999 |
MISSING |
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.