Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
2.6%
|
1990 | 1 |
1.3%
|
|
1995 | 1 |
1.3%
|
|
1997 | 1 |
1.3%
|
|
2000 | 4 |
5.3%
|
|
2002 | 1 |
1.3%
|
|
2003 | 1 |
1.3%
|
|
2004 | 4 |
5.3%
|
|
2005 | 1 |
1.3%
|
|
2006 | 2 |
2.6%
|
|
2007 | 1 |
1.3%
|
|
2008 | 2 |
2.6%
|
|
2009 | 2 |
2.6%
|
|
2010 | 5 |
6.6%
|
|
2011 | 1 |
1.3%
|
|
2012 | 6 |
7.9%
|
|
2013 | 5 |
6.6%
|
|
2014 | 4 |
5.3%
|
|
2015 | 1 |
1.3%
|
|
2016 | 6 |
7.9%
|
|
2017 | 14 |
18.4%
|
|
2018 | 7 |
9.2%
|
|
2019 | 4 |
5.3%
|
|
Sysmiss | 44 |