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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1781 | 32 |
| 1782 | 4 |
| 1783 | 4 |
| 1784 | 4 |
| 1796 | 6 |
| 1797 | 10 |
| 1798 | 4 |
| 1799 | 9 |
| 1800 | 10 |
| 1801 | 8 |
| 1802 | 8 |
| 1804 | 15 |
| 1843 | 15 |
| 1848 | 1 |
| 1851 | 10 |
| 1852 | 11 |
| 1853 | 14 |
| 1854 | 10 |
| 1855 | 34 |
| 1856 | 37 |
| 1857 | 19 |
| 1858 | 36 |
| 1859 | 18 |
| 1860 | 61 |
| 1861 | 27 |
| 1862 | 17 |
| 1864 | 36 |
| 1865 | 43 |
| 1866 | 43 |
| 1867 | 22 |
| 1868 | 20 |
| 1869 | 31 |
| 1870 | 15 |
| 1871 | 12 |
| 1872 | 32 |
| 1873 | 23 |
| 1874 | 21 |
| 1875 | 14 |
| 1876 | 26 |
| 1877 | 37 |
| 1878 | 28 |
| 1879 | 28 |
| 1880 | 27 |
| 1881 | 16 |
| 1882 | 62 |
| 1883 | 57 |
| 1884 | 18 |
| 1885 | 33 |
| 1886 | 36 |
| 1887 | 75 |
| 1888 | 79 |
| 1889 | 64 |
| 1890 | 80 |
| 1891 | 74 |
| 1892 | 67 |
| 1893 | 72 |
| 1894 | 67 |
| 1895 | 92 |
| 1896 | 180 |
| 1897 | 119 |
| 1898 | 90 |
| 1899 | 85 |
| 1900 | 83 |
| 1901 | 82 |
| 1902 | 83 |
| 1903 | 82 |
| 1904 | 80 |
| 1905 | 79 |
| 1906 | 34 |
| 1907 | 65 |
| 1908 | 76 |
| 1909 | 97 |
| 1910 | 140 |
| 1911 | 98 |
| 1912 | 73 |
| 1913 | 77 |
| 1914 | 81 |
| 1915 | 74 |
| 1916 | 68 |
| 1917 | 65 |
| 1918 | 66 |
| 1919 | 64 |
| 1920 | 58 |
| 1921 | 20 |
| 1922 | 22 |
| 1923 | 15 |
| 1924 | 17 |
| 1925 | 8 |
| 1926 | 7 |
| 1927 | 4 |
| 1928 | 9 |
| 1929 | 7 |
| 1930 | 14 |
| 1931 | 8 |
| 1932 | 12 |
| 1933 | 7 |
| 1934 | 7 |
| 1935 | 9 |
| 1936 | 21 |
| 1937 | 27 |
| 1938 | 17 |
| 1939 | 24 |
| 1940 | 27 |
| 1941 | 26 |
| 1942 | 19 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 3 |
| 1948 | 4 |
| 1949 | 4 |
| 1950 | 4 |
| 1951 | 4 |
| 1952 | 4 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 4 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 7 |
| 1963 | 6 |
| 1964 | 6 |
| 1968 | 1 |
| 1969 | 3 |
| 1970 | 87 |
| 1971 | 333 |
| 1972 | 48 |
| 1973 | 12 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 6 |
| 1977 | 30 |
| 1978 | 500 |
| 1979 | 1085 |
| 1980 | 725 |
| 1981 | 711 |
| 1982 | 761 |
| 1983 | 1037 |
| 1984 | 1072 |
| 1985 | 1013 |
| 1986 | 1117 |
| 1987 | 1314 |
| 1988 | 2105 |
| 1989 | 2169 |
| 1990 | 2409 |
| 1991 | 3228 |
| 1992 | 3415 |
| 1993 | 3669 |
| 1994 | 4069 |
| 1995 | 4555 |
| 1996 | 4220 |
| 1997 | 4234 |
| 1998 | 4716 |
| 1999 | 5524 |
| 2000 | 6881 |
| 2001 | 8479 |
| 2002 | 7969 |
| 2003 | 8107 |
| 2004 | 8125 |
| 2005 | 8022 |
| 2006 | 7480 |
| 2007 | 6870 |
| 2008 | 6513 |
| 2009 | 6629 |
| 2010 | 6882 |
| 2011 | 7163 |
| 2012 | 7735 |
| 2013 | 7891 |
| 2014 | 8683 |
| 2015 | 8559 |
| 2016 | 6464 |
| 2017 | 4883 |
| 2018 | 5006 |
| 2019 | 4588 |
| 2020 | 5229 |
| 2021 | 5393 |
| 2022 | 5339 |
| 2023 | 5618 |
| 2024 | 6195 |
| 2025 | 3806 |