Value |
Category |
-99 |
-99.Don't know |
-97 |
-97.Ongoing |
-55 |
-55.Missing |
2006 |
|
2008 |
|
2009 |
|
2010 |
|
2011 |
|
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.