Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
4.1%
|
1978 | 1 |
1%
|
|
1984 | 1 |
1%
|
|
1999 | 1 |
1%
|
|
2004 | 2 |
2.1%
|
|
2005 | 1 |
1%
|
|
2006 | 2 |
2.1%
|
|
2007 | 2 |
2.1%
|
|
2008 | 1 |
1%
|
|
2010 | 8 |
8.2%
|
|
2011 | 5 |
5.2%
|
|
2012 | 3 |
3.1%
|
|
2013 | 3 |
3.1%
|
|
2014 | 5 |
5.2%
|
|
2015 | 3 |
3.1%
|
|
2016 | 7 |
7.2%
|
|
2017 | 13 |
13.4%
|
|
2018 | 7 |
7.2%
|
|
2019 | 23 |
23.7%
|
|
2020 | 5 |
5.2%
|