Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Never regiestered (spontaneous) | 0 |
0%
|
1918 | 1 |
0.3%
|
|
1929 | 1 |
0.3%
|
|
1944 | 2 |
0.6%
|
|
1945 | 1 |
0.3%
|
|
1946 | 1 |
0.3%
|
|
1950 | 1 |
0.3%
|
|
1952 | 1 |
0.3%
|
|
1955 | 3 |
0.8%
|
|
1961 | 1 |
0.3%
|
|
1965 | 1 |
0.3%
|
|
1967 | 1 |
0.3%
|
|
1980 | 1 |
0.3%
|
|
1984 | 1 |
0.3%
|
|
1989 | 1 |
0.3%
|
|
1990 | 1 |
0.3%
|
|
1991 | 17 |
4.7%
|
|
1992 | 24 |
6.7%
|
|
1993 | 18 |
5%
|
|
1994 | 20 |
5.6%
|
|
1995 | 15 |
4.2%
|
|
1996 | 15 |
4.2%
|
|
1997 | 23 |
6.4%
|
|
1998 | 14 |
3.9%
|
|
1999 | 12 |
3.4%
|
|
2000 | 9 |
2.5%
|
|
2001 | 11 |
3.1%
|
|
2002 | 12 |
3.4%
|
|
2003 | 16 |
4.5%
|
|
2004 | 14 |
3.9%
|
|
2005 | 9 |
2.5%
|
|
2006 | 10 |
2.8%
|
|
2007 | 9 |
2.5%
|
|
2008 | 11 |
3.1%
|
|
2009 | 11 |
3.1%
|
|
2010 | 17 |
4.7%
|
|
2011 | 11 |
3.1%
|
|
2012 | 6 |
1.7%
|
|
2013 | 8 |
2.2%
|
|
2014 | 10 |
2.8%
|
|
2015 | 10 |
2.8%
|
|
2016 | 6 |
1.7%
|