Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 10 |
3.5%
|
2000 | 1 |
0.3%
|
|
2002 | 1 |
0.3%
|
|
2005 | 1 |
0.3%
|
|
2006 | 1 |
0.3%
|
|
2008 | 1 |
0.3%
|
|
2010 | 2 |
0.7%
|
|
2011 | 2 |
0.7%
|
|
2012 | 3 |
1%
|
|
2013 | 5 |
1.7%
|
|
2014 | 11 |
3.8%
|
|
2015 | 16 |
5.6%
|
|
2016 | 26 |
9.1%
|
|
2017 | 38 |
13.2%
|
|
2018 | 98 |
34.1%
|
|
2019 | 71 |
24.7%
|
|
Sysmiss | 294 |