Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 21 |
9%
|
-7 | Never regiestered (spontaneous) | 0 |
0%
|
1903 | 1 |
0.4%
|
|
1920 | 1 |
0.4%
|
|
1933 | 1 |
0.4%
|
|
1935 | 1 |
0.4%
|
|
1938 | 1 |
0.4%
|
|
1939 | 1 |
0.4%
|
|
1942 | 1 |
0.4%
|
|
1945 | 1 |
0.4%
|
|
1948 | 3 |
1.3%
|
|
1951 | 2 |
0.9%
|
|
1954 | 1 |
0.4%
|
|
1956 | 1 |
0.4%
|
|
1957 | 2 |
0.9%
|
|
1958 | 1 |
0.4%
|
|
1959 | 2 |
0.9%
|
|
1966 | 1 |
0.4%
|
|
1967 | 1 |
0.4%
|
|
1968 | 2 |
0.9%
|
|
1969 | 3 |
1.3%
|
|
1970 | 1 |
0.4%
|
|
1971 | 3 |
1.3%
|
|
1973 | 1 |
0.4%
|
|
1975 | 1 |
0.4%
|
|
1976 | 3 |
1.3%
|
|
1977 | 1 |
0.4%
|
|
1978 | 2 |
0.9%
|
|
1980 | 6 |
2.6%
|
|
1981 | 2 |
0.9%
|
|
1982 | 3 |
1.3%
|
|
1983 | 1 |
0.4%
|
|
1984 | 2 |
0.9%
|
|
1985 | 2 |
0.9%
|
|
1987 | 2 |
0.9%
|
|
1988 | 2 |
0.9%
|
|
1989 | 4 |
1.7%
|
|
1990 | 8 |
3.4%
|
|
1991 | 2 |
0.9%
|
|
1992 | 3 |
1.3%
|
|
1993 | 6 |
2.6%
|
|
1994 | 3 |
1.3%
|
|
1995 | 4 |
1.7%
|
|
1996 | 6 |
2.6%
|
|
1997 | 10 |
4.3%
|
|
1998 | 6 |
2.6%
|
|
1999 | 6 |
2.6%
|
|
2000 | 8 |
3.4%
|
|
2001 | 4 |
1.7%
|
|
2002 | 6 |
2.6%
|
|
2003 | 7 |
3%
|
|
2004 | 5 |
2.1%
|
|
2005 | 10 |
4.3%
|
|
2006 | 8 |
3.4%
|
|
2007 | 4 |
1.7%
|
|
2008 | 7 |
3%
|
|
2009 | 6 |
2.6%
|
|
2010 | 8 |
3.4%
|
|
2011 | 3 |
1.3%
|
|
2012 | 8 |
3.4%
|
|
2013 | 2 |
0.9%
|
|
2014 | 4 |
1.7%
|
|
2015 | 4 |
1.7%
|
|
2016 | 1 |
0.4%
|