Value | Category | Cases | |
---|---|---|---|
-9 | Don't know | 6 |
7.3%
|
1999 | 1 |
1.2%
|
|
2000 | 4 |
4.9%
|
|
2002 | 4 |
4.9%
|
|
2003 | 4 |
4.9%
|
|
2004 | 6 |
7.3%
|
|
2005 | 9 |
11%
|
|
2006 | 9 |
11%
|
|
2007 | 23 |
28%
|
|
2008 | 13 |
15.9%
|
|
2009 | 3 |
3.7%
|
|
Sysmiss | 68 |