| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 19 |
1.5%
|
| -7 | Never regiestered (spontaneous) | 0 |
0%
|
| 1906 | 1 |
0.1%
|
|
| 1913 | 2 |
0.2%
|
|
| 1922 | 1 |
0.1%
|
|
| 1932 | 2 |
0.2%
|
|
| 1933 | 1 |
0.1%
|
|
| 1936 | 1 |
0.1%
|
|
| 1938 | 1 |
0.1%
|
|
| 1941 | 1 |
0.1%
|
|
| 1942 | 4 |
0.3%
|
|
| 1947 | 1 |
0.1%
|
|
| 1950 | 1 |
0.1%
|
|
| 1955 | 1 |
0.1%
|
|
| 1957 | 1 |
0.1%
|
|
| 1958 | 1 |
0.1%
|
|
| 1959 | 1 |
0.1%
|
|
| 1963 | 1 |
0.1%
|
|
| 1966 | 1 |
0.1%
|
|
| 1967 | 1 |
0.1%
|
|
| 1969 | 1 |
0.1%
|
|
| 1972 | 1 |
0.1%
|
|
| 1975 | 5 |
0.4%
|
|
| 1976 | 1 |
0.1%
|
|
| 1978 | 1 |
0.1%
|
|
| 1979 | 3 |
0.2%
|
|
| 1980 | 2 |
0.2%
|
|
| 1983 | 1 |
0.1%
|
|
| 1984 | 2 |
0.2%
|
|
| 1985 | 1 |
0.1%
|
|
| 1987 | 2 |
0.2%
|
|
| 1989 | 1 |
0.1%
|
|
| 1990 | 4 |
0.3%
|
|
| 1991 | 10 |
0.8%
|
|
| 1992 | 9 |
0.7%
|
|
| 1993 | 12 |
1%
|
|
| 1994 | 26 |
2.1%
|
|
| 1995 | 19 |
1.5%
|
|
| 1996 | 32 |
2.6%
|
|
| 1997 | 19 |
1.5%
|
|
| 1998 | 12 |
1%
|
|
| 1999 | 12 |
1%
|
|
| 2000 | 24 |
1.9%
|
|
| 2001 | 27 |
2.2%
|
|
| 2002 | 27 |
2.2%
|
|
| 2003 | 45 |
3.6%
|
|
| 2004 | 39 |
3.1%
|
|
| 2005 | 44 |
3.6%
|
|
| 2006 | 37 |
3%
|
|
| 2007 | 48 |
3.9%
|
|
| 2008 | 46 |
3.7%
|
|
| 2009 | 77 |
6.2%
|
|
| 2010 | 81 |
6.5%
|
|
| 2011 | 60 |
4.8%
|
|
| 2012 | 58 |
4.7%
|
|
| 2013 | 69 |
5.6%
|
|
| 2014 | 57 |
4.6%
|
|
| 2015 | 79 |
6.4%
|
|
| 2016 | 83 |
6.7%
|
|
| 2017 | 117 |
9.4%
|
|
| 2018 | 3 |
0.2%
|