Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 22 |
1.1%
|
-7 | Never regiestered (spontaneous) | 0 |
0%
|
1906 | 1 |
0.1%
|
|
1913 | 2 |
0.1%
|
|
1922 | 1 |
0.1%
|
|
1930 | 1 |
0.1%
|
|
1932 | 2 |
0.1%
|
|
1933 | 1 |
0.1%
|
|
1936 | 1 |
0.1%
|
|
1938 | 2 |
0.1%
|
|
1941 | 1 |
0.1%
|
|
1942 | 4 |
0.2%
|
|
1947 | 1 |
0.1%
|
|
1950 | 1 |
0.1%
|
|
1955 | 1 |
0.1%
|
|
1957 | 1 |
0.1%
|
|
1958 | 1 |
0.1%
|
|
1959 | 1 |
0.1%
|
|
1960 | 1 |
0.1%
|
|
1961 | 1 |
0.1%
|
|
1963 | 1 |
0.1%
|
|
1965 | 1 |
0.1%
|
|
1966 | 1 |
0.1%
|
|
1967 | 1 |
0.1%
|
|
1968 | 1 |
0.1%
|
|
1969 | 2 |
0.1%
|
|
1970 | 1 |
0.1%
|
|
1971 | 2 |
0.1%
|
|
1972 | 1 |
0.1%
|
|
1975 | 5 |
0.3%
|
|
1976 | 2 |
0.1%
|
|
1977 | 1 |
0.1%
|
|
1978 | 2 |
0.1%
|
|
1979 | 3 |
0.2%
|
|
1980 | 2 |
0.1%
|
|
1983 | 1 |
0.1%
|
|
1984 | 4 |
0.2%
|
|
1985 | 1 |
0.1%
|
|
1986 | 1 |
0.1%
|
|
1987 | 5 |
0.3%
|
|
1989 | 6 |
0.3%
|
|
1990 | 7 |
0.4%
|
|
1991 | 17 |
0.9%
|
|
1992 | 17 |
0.9%
|
|
1993 | 36 |
1.8%
|
|
1994 | 68 |
3.4%
|
|
1995 | 56 |
2.8%
|
|
1996 | 95 |
4.8%
|
|
1997 | 53 |
2.7%
|
|
1998 | 109 |
5.5%
|
|
1999 | 47 |
2.4%
|
|
2000 | 51 |
2.6%
|
|
2001 | 53 |
2.7%
|
|
2002 | 57 |
2.9%
|
|
2003 | 100 |
5%
|
|
2004 | 100 |
5%
|
|
2005 | 72 |
3.6%
|
|
2006 | 61 |
3.1%
|
|
2007 | 80 |
4%
|
|
2008 | 66 |
3.3%
|
|
2009 | 103 |
5.2%
|
|
2010 | 111 |
5.6%
|
|
2011 | 80 |
4%
|
|
2012 | 58 |
2.9%
|
|
2013 | 69 |
3.5%
|
|
2014 | 57 |
2.9%
|
|
2015 | 79 |
4%
|
|
2016 | 83 |
4.2%
|
|
2017 | 117 |
5.9%
|
|
2018 | 3 |
0.2%
|