Value | Category | Cases | |
---|---|---|---|
-9 | Don't know | 3 |
10.3%
|
1993 | 1 |
3.4%
|
|
1997 | 1 |
3.4%
|
|
2002 | 1 |
3.4%
|
|
2005 | 4 |
13.8%
|
|
2006 | 2 |
6.9%
|
|
2007 | 2 |
6.9%
|
|
2008 | 12 |
41.4%
|
|
2009 | 3 |
10.3%
|
|
Sysmiss | 39 |