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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1806 | 1 |
| 1818 | 1 |
| 1826 | 1 |
| 1827 | 1 |
| 1831 | 5 |
| 1851 | 1 |
| 1854 | 1 |
| 1855 | 1 |
| 1861 | 1 |
| 1866 | 1 |
| 1867 | 2 |
| 1868 | 5 |
| 1869 | 3 |
| 1870 | 2 |
| 1871 | 3 |
| 1872 | 8 |
| 1873 | 1 |
| 1874 | 1 |
| 1876 | 1 |
| 1878 | 1 |
| 1880 | 1 |
| 1881 | 3 |
| 1882 | 4 |
| 1883 | 2 |
| 1885 | 3 |
| 1886 | 1 |
| 1887 | 4 |
| 1888 | 2 |
| 1889 | 2 |
| 1890 | 1 |
| 1893 | 2 |
| 1894 | 1 |
| 1895 | 3 |
| 1896 | 3 |
| 1897 | 4 |
| 1898 | 2 |
| 1901 | 2 |
| 1902 | 4 |
| 1903 | 3 |
| 1904 | 3 |
| 1905 | 1 |
| 1907 | 4 |
| 1908 | 1 |
| 1909 | 3 |
| 1910 | 2 |
| 1911 | 1 |
| 1912 | 5 |
| 1913 | 9 |
| 1914 | 4 |
| 1915 | 9 |
| 1916 | 9 |
| 1917 | 7 |
| 1918 | 2 |
| 1919 | 6 |
| 1920 | 4 |
| 1921 | 4 |
| 1922 | 1 |
| 1923 | 9 |
| 1924 | 8 |
| 1925 | 7 |
| 1926 | 9 |
| 1927 | 7 |
| 1928 | 6 |
| 1929 | 8 |
| 1930 | 11 |
| 1931 | 5 |
| 1932 | 10 |
| 1933 | 8 |
| 1934 | 8 |
| 1935 | 8 |
| 1936 | 1 |
| 1937 | 9 |
| 1938 | 14 |
| 1939 | 7 |
| 1940 | 4 |
| 1941 | 2 |
| 1942 | 2 |
| 1943 | 4 |
| 1944 | 9 |
| 1945 | 6 |
| 1946 | 31 |
| 1947 | 18 |
| 1948 | 27 |
| 1949 | 26 |
| 1950 | 28 |
| 1951 | 32 |
| 1952 | 37 |
| 1953 | 56 |
| 1954 | 45 |
| 1955 | 42 |
| 1956 | 41 |
| 1957 | 45 |
| 1958 | 41 |
| 1959 | 53 |
| 1960 | 55 |
| 1961 | 72 |
| 1962 | 50 |
| 1963 | 44 |
| 1964 | 76 |
| 1965 | 76 |
| 1966 | 78 |
| 1967 | 82 |
| 1968 | 110 |
| 1969 | 105 |
| 1970 | 114 |
| 1971 | 136 |
| 1972 | 137 |
| 1973 | 149 |
| 1974 | 147 |
| 1975 | 143 |
| 1976 | 152 |
| 1977 | 136 |
| 1978 | 157 |
| 1979 | 193 |
| 1980 | 177 |
| 1981 | 173 |
| 1982 | 173 |
| 1983 | 211 |
| 1984 | 165 |
| 1985 | 189 |
| 1986 | 185 |
| 1987 | 278 |
| 1988 | 265 |
| 1989 | 340 |
| 1990 | 320 |
| 1991 | 280 |
| 1992 | 320 |
| 1993 | 363 |
| 1994 | 367 |
| 1995 | 389 |
| 1996 | 408 |
| 1997 | 353 |
| 1998 | 404 |
| 1999 | 455 |
| 2000 | 535 |
| 2001 | 529 |
| 2002 | 553 |
| 2003 | 603 |
| 2004 | 685 |
| 2005 | 788 |
| 2006 | 816 |
| 2007 | 887 |
| 2008 | 976 |
| 2009 | 1005 |
| 2010 | 1084 |
| 2011 | 1084 |
| 2012 | 1171 |
| 2013 | 1298 |
| 2014 | 1580 |
| 2015 | 1833 |
| 2016 | 1896 |
| 2017 | 2055 |
| 2018 | 2099 |
| 2019 | 2167 |
| 2020 | 2371 |
| 2021 | 2649 |
| 2022 | 2514 |
| 2023 | 2346 |
| 2024 | 826 |