Value | Category | Cases | |
---|---|---|---|
-9 | don't know | 4 |
1.5%
|
-8 | does not apply | 0 |
0%
|
-7 | refused to answer | 0 |
0%
|
1995 | 2 |
0.8%
|
|
1996 | 1 |
0.4%
|
|
1997 | 1 |
0.4%
|
|
2000 | 4 |
1.5%
|
|
2001 | 1 |
0.4%
|
|
2002 | 1 |
0.4%
|
|
2003 | 2 |
0.8%
|
|
2004 | 3 |
1.1%
|
|
2005 | 6 |
2.3%
|
|
2006 | 13 |
5%
|
|
2007 | 63 |
24.1%
|
|
2008 | 160 |
61.3%
|
|
Sysmiss | 495 |