Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
1.4%
|
1999 | 1 |
0.3%
|
|
2005 | 1 |
0.3%
|
|
2006 | 1 |
0.3%
|
|
2007 | 7 |
2%
|
|
2008 | 4 |
1.1%
|
|
2009 | 10 |
2.9%
|
|
2010 | 28 |
8%
|
|
2011 | 42 |
12.1%
|
|
2012 | 82 |
23.6%
|
|
2013 | 9 |
2.6%
|
|
2014 | 6 |
1.7%
|
|
2015 | 9 |
2.6%
|
|
2016 | 20 |
5.7%
|
|
2017 | 30 |
8.6%
|
|
2018 | 72 |
20.7%
|
|
2019 | 21 |
6%
|
|
Sysmiss | 738 |