Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
1.3%
|
2001 | 1 |
0.2%
|
|
2004 | 2 |
0.4%
|
|
2005 | 2 |
0.4%
|
|
2006 | 3 |
0.7%
|
|
2007 | 4 |
0.9%
|
|
2008 | 8 |
1.8%
|
|
2009 | 3 |
0.7%
|
|
2010 | 10 |
2.2%
|
|
2011 | 28 |
6.1%
|
|
2012 | 74 |
16.2%
|
|
2013 | 60 |
13.2%
|
|
2014 | 7 |
1.5%
|
|
2015 | 19 |
4.2%
|
|
2016 | 26 |
5.7%
|
|
2017 | 38 |
8.3%
|
|
2018 | 103 |
22.6%
|
|
2019 | 62 |
13.6%
|
|
Sysmiss | 499 |