Value | Category | Cases | |
---|---|---|---|
-9 | Don't know | 4 |
7%
|
1985 | 1 |
1.8%
|
|
1988 | 1 |
1.8%
|
|
2000 | 1 |
1.8%
|
|
2001 | 1 |
1.8%
|
|
2004 | 3 |
5.3%
|
|
2006 | 5 |
8.8%
|
|
2007 | 3 |
5.3%
|
|
2008 | 24 |
42.1%
|
|
2009 | 14 |
24.6%
|
|
Sysmiss | 71 |