#year   number_entries
1850 0
1851 0
1852 0
1853 0
1854 0
1855 0
1856 0
1857 0
1858 0
1859 0
1860 0
1861 0
1862 0
1863 0
1864 0
1865 0
1866 0
1867 0
1868 0
1869 0
1870 0
1871 0
1872 0
1873 2
1874 0
1875 0
1876 0
1877 0
1878 0
1879 0
1880 0
1881 0
1882 0
1883 1
1884 0
1885 0
1886 0
1887 0
1888 0
1889 0
1890 0
1891 0
1892 0
1893 0
1894 0
1895 0
1896 0
1897 0
1898 0
1899 0
1900 0
1901 0
1902 0
1903 0
1904 0
1905 0
1906 0
1907 0
1908 0
1909 0
1910 0
1911 0
1912 0
1913 0
1914 0
1915 0
1916 0
1917 0
1918 0
1919 0
1920 0
1921 0
1922 0
1923 0
1924 0
1925 0
1926 0
1927 0
1928 0
1929 0
1930 0
1931 0
1932 0
1933 0
1934 0
1935 0
1936 0
1937 0
1938 0
1939 0
1940 0
1941 0
1942 0
1943 0
1944 0
1945 0
1946 0
1947 0
1948 0
1949 0
1950 0
1951 0
1952 0
1953 0
1954 0
1955 0
1956 0
1957 2
1958 2
1959 2
1960 3
1961 1
1962 6
1963 7
1964 3
1965 1
1966 6
1967 5
1968 8
1969 7
1970 8
1971 4
1972 12
1973 3
1974 13
1975 9
1976 7
1977 19
1978 24
1979 17
1980 12
1981 6
1982 6
1983 10
1984 14
1985 11
1986 17
1987 15
1988 17
1989 25
1990 13
1991 17
1992 10
1993 7
1994 8
1995 4
1996 2
1997 4
1998 13
1999 4
2000 9
2001 15
2002 11
2003 9
2004 5
2005 9
2006 13
2007 26
2008 5
2009 0
2010 0
2011 0
2012 0
2013 0
2014 0
2015 0
2016 0
2017 0
2018 0
2019 0