Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
3.7%
|
1987 | 1 |
0.9%
|
|
1997 | 1 |
0.9%
|
|
1998 | 1 |
0.9%
|
|
2000 | 3 |
2.8%
|
|
2001 | 1 |
0.9%
|
|
2003 | 3 |
2.8%
|
|
2004 | 1 |
0.9%
|
|
2005 | 1 |
0.9%
|
|
2006 | 4 |
3.7%
|
|
2007 | 3 |
2.8%
|
|
2008 | 3 |
2.8%
|
|
2009 | 3 |
2.8%
|
|
2010 | 5 |
4.6%
|
|
2011 | 5 |
4.6%
|
|
2012 | 4 |
3.7%
|
|
2013 | 2 |
1.8%
|
|
2014 | 11 |
10.1%
|
|
2015 | 14 |
12.8%
|
|
2016 | 11 |
10.1%
|
|
2017 | 16 |
14.7%
|
|
2018 | 11 |
10.1%
|
|
2019 | 1 |
0.9%
|
|
Sysmiss | 11 |