Value |
Category |
0 |
|
12 |
|
98 |
NSP |
99 |
ND |
2002 |
|
2004 |
|
2005 |
|
2006 |
|
2007 |
|
2008 |
|
2009 |
|
2010 |
|
2011 |
|
2012 |
|
9999 |
|
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.