Value |
Category |
-95 |
|
-90 |
Not specified by supervisor/interviewer |
1993 |
|
1995 |
|
1997 |
|
2006 |
|
2007 |
|
2010 |
|
2012 |
|
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.