Value |
Category |
-9 |
don't know |
-8 |
refusal |
-7 |
does not apply |
1 |
less than 1 year |
5 |
|
10 |
|
12 |
|
19 |
|
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.