#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 0
1874 0
1875 0
1876 0
1877 0
1878 0
1879 0
1880 0
1881 0
1882 0
1883 0
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 2
1952 0
1953 3
1954 7
1955 7
1956 7
1957 15
1958 16
1959 25
1960 25
1961 29
1962 22
1963 31
1964 25
1965 39
1966 26
1967 28
1968 43
1969 47
1970 41
1971 53
1972 45
1973 58
1974 58
1975 50
1976 58
1977 84
1978 79
1979 73
1980 56
1981 42
1982 48
1983 68
1984 56
1985 59
1986 67
1987 71
1988 60
1989 87
1990 73
1991 57
1992 79
1993 74
1994 72
1995 74
1996 66
1997 83
1998 87
1999 100
2000 105
2001 126
2002 136
2003 104
2004 92
2005 98
2006 114
2007 107
2008 34
2009 0
2010 0
2011 0
2012 0
2013 0
2014 0
2015 0
2016 0
2017 0
2018 0
2019 0