Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
1.7%
|
-7 | Never regiestered (spontaneous) | 0 |
0%
|
1928 | 1 |
0.2%
|
|
1933 | 1 |
0.2%
|
|
1945 | 1 |
0.2%
|
|
1947 | 1 |
0.2%
|
|
1949 | 2 |
0.5%
|
|
1950 | 1 |
0.2%
|
|
1952 | 1 |
0.2%
|
|
1953 | 1 |
0.2%
|
|
1954 | 1 |
0.2%
|
|
1955 | 1 |
0.2%
|
|
1956 | 1 |
0.2%
|
|
1960 | 1 |
0.2%
|
|
1962 | 1 |
0.2%
|
|
1964 | 1 |
0.2%
|
|
1967 | 1 |
0.2%
|
|
1968 | 1 |
0.2%
|
|
1970 | 3 |
0.7%
|
|
1971 | 1 |
0.2%
|
|
1972 | 1 |
0.2%
|
|
1974 | 2 |
0.5%
|
|
1975 | 1 |
0.2%
|
|
1976 | 1 |
0.2%
|
|
1977 | 2 |
0.5%
|
|
1984 | 2 |
0.5%
|
|
1985 | 2 |
0.5%
|
|
1987 | 1 |
0.2%
|
|
1988 | 1 |
0.2%
|
|
1989 | 3 |
0.7%
|
|
1990 | 6 |
1.5%
|
|
1991 | 3 |
0.7%
|
|
1992 | 7 |
1.7%
|
|
1993 | 2 |
0.5%
|
|
1994 | 5 |
1.2%
|
|
1995 | 2 |
0.5%
|
|
1996 | 2 |
0.5%
|
|
1997 | 6 |
1.5%
|
|
1998 | 15 |
3.7%
|
|
1999 | 1 |
0.2%
|
|
2000 | 16 |
4%
|
|
2001 | 3 |
0.7%
|
|
2002 | 15 |
3.7%
|
|
2003 | 7 |
1.7%
|
|
2004 | 6 |
1.5%
|
|
2005 | 12 |
3%
|
|
2006 | 6 |
1.5%
|
|
2007 | 14 |
3.5%
|
|
2008 | 10 |
2.5%
|
|
2009 | 11 |
2.7%
|
|
2010 | 16 |
4%
|
|
2011 | 20 |
5%
|
|
2012 | 10 |
2.5%
|
|
2013 | 15 |
3.7%
|
|
2014 | 17 |
4.2%
|
|
2015 | 6 |
1.5%
|
|
2016 | 24 |
6%
|
|
2017 | 22 |
5.5%
|
|
2018 | 18 |
4.5%
|
|
2019 | 35 |
8.7%
|
|
2020 | 20 |
5%
|
|
2021 | 6 |
1.5%
|