Database Summary for species by year
| Year | Records |
|---|
| 2009 | 6238 |
| 2008 | 8876 |
| 2007 | 9341 |
| 2006 | 14988 |
| 2005 | 29991 |
| 2004 | 41689 |
| 2003 | 25291 |
| 2002 | 21455 |
| 2001 | 20316 |
| 2000 | 22969 |
| 1999 | 20492 |
| 1998 | 13353 |
| 1997 | 10602 |
| 1996 | 8838 |
| 1995 | 9453 |
| 1994 | 10245 |
| 1993 | 9360 |
| 1992 | 14781 |
| 1991 | 16808 |
| 1990 | 21412 |
| 1989 | 9171 |
| 1988 | 9081 |
| 1987 | 6697 |
| 1986 | 5896 |
| 1985 | 8748 |
| 1984 | 12094 |
| 1983 | 11161 |
| 1982 | 6312 |
| 1981 | 4516 |
| 1980 | 4275 |
| 1979 | 2616 |
| 1978 | 1771 |
| 1977 | 2062 |
| 1976 | 1464 |
| 1975 | 450 |
| 1974 | 72 |
| 1973 | 162 |
| 1972 | 152 |
| 1971 | 443 |
| 1970 | 254 |
| 1969 | 41 |
| 1968 | 276 |
| 1967 | 2 |
| 1966 | 28 |
| 1965 | 18 |
| 1964 | 27 |
| 1963 | 20 |
| 1962 | 68 |
| 1961 | 443 |
| 1960 | 93 |
| 1959 | 6 |
| 1958 | 147 |
| 1957 | 7 |
| 1956 | 295 |
| 1955 | 3 |
| 1954 | 3 |
| 1953 | 74 |
| 1952 | 1 |
| 1951 | 10 |
| 1950 | 9 |
| 1949 | 8 |
| 1948 | 9 |
| 1947 | 14 |
| 1946 | 7 |
| 1944 | 2 |
| 1943 | 1 |
| 1942 | 2 |
| 1941 | 1 |
| 1940 | 1 |
| 1939 | 1 |
| 1938 | 3 |
| 1937 | 3 |
| 1936 | 1 |
| 1935 | 18 |
| 1934 | 2 |
| 1932 | 15 |
| 1931 | 50 |
| 1930 | 6 |
| 1929 | 77 |
| 1926 | 4 |
| 1925 | 1 |
| 1923 | 2 |
| 1921 | 1 |
| 1920 | 22 |
| 1919 | 14 |
| 1918 | 2 |
| 1913 | 1 |
| 1912 | 3 |
| 1911 | 4 |
| 1910 | 1 |
| 1909 | 4 |
| 1908 | 2 |
| 1907 | 3 |
| 1906 | 3 |
| 1905 | 6 |
| 1904 | 5 |
| 1903 | 52 |
| 1902 | 17 |
| 1901 | 5 |
| 1900 | 7 |
| 1899 | 41 |
| 1898 | 1 |
| 1897 | 1 |
| 1896 | 1 |
| 1884 | 14 |
| 1883 | 1 |
| 1882 | 58 |
| 1880 | 3 |
| 1871 | 1 |
| 1870 | 1 |
| 1850 | 28 |
| 1836 | 2 |
