Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Never regiestered (spontaneous) | 0 |
0%
|
1982 | 1 |
0.4%
|
|
1988 | 1 |
0.4%
|
|
1995 | 2 |
0.8%
|
|
1999 | 2 |
0.8%
|
|
2000 | 8 |
3.2%
|
|
2001 | 3 |
1.2%
|
|
2002 | 3 |
1.2%
|
|
2003 | 4 |
1.6%
|
|
2004 | 3 |
1.2%
|
|
2005 | 6 |
2.4%
|
|
2006 | 6 |
2.4%
|
|
2007 | 2 |
0.8%
|
|
2008 | 5 |
2%
|
|
2009 | 14 |
5.6%
|
|
2010 | 21 |
8.4%
|
|
2011 | 9 |
3.6%
|
|
2012 | 18 |
7.2%
|
|
2013 | 17 |
6.8%
|
|
2014 | 25 |
10%
|
|
2015 | 32 |
12.8%
|
|
2016 | 40 |
16%
|
|
2017 | 19 |
7.6%
|
|
2018 | 9 |
3.6%
|