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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1789 | 1 |
| 1790 | 1 |
| 1799 | 1 |
| 1806 | 2 |
| 1807 | 2 |
| 1811 | 1 |
| 1818 | 1 |
| 1819 | 1 |
| 1828 | 2 |
| 1829 | 1 |
| 1833 | 2 |
| 1834 | 2 |
| 1844 | 3 |
| 1847 | 1 |
| 1850 | 4 |
| 1851 | 2 |
| 1853 | 7 |
| 1854 | 1 |
| 1855 | 3 |
| 1856 | 4 |
| 1857 | 2 |
| 1858 | 1 |
| 1859 | 3 |
| 1860 | 2 |
| 1861 | 3 |
| 1862 | 4 |
| 1863 | 6 |
| 1864 | 9 |
| 1865 | 5 |
| 1866 | 8 |
| 1867 | 9 |
| 1868 | 5 |
| 1869 | 7 |
| 1870 | 12 |
| 1871 | 9 |
| 1872 | 9 |
| 1873 | 5 |
| 1874 | 4 |
| 1875 | 3 |
| 1876 | 4 |
| 1877 | 5 |
| 1878 | 4 |
| 1879 | 22 |
| 1880 | 19 |
| 1881 | 15 |
| 1882 | 9 |
| 1883 | 11 |
| 1884 | 1 |
| 1885 | 5 |
| 1886 | 2 |
| 1887 | 4 |
| 1888 | 6 |
| 1889 | 10 |
| 1890 | 5 |
| 1891 | 5 |
| 1892 | 8 |
| 1893 | 27 |
| 1894 | 20 |
| 1895 | 15 |
| 1896 | 8 |
| 1897 | 4 |
| 1898 | 7 |
| 1899 | 6 |
| 1900 | 10 |
| 1901 | 8 |
| 1902 | 16 |
| 1903 | 8 |
| 1904 | 5 |
| 1905 | 6 |
| 1906 | 4 |
| 1907 | 8 |
| 1908 | 8 |
| 1909 | 7 |
| 1910 | 3 |
| 1911 | 1 |
| 1912 | 6 |
| 1913 | 5 |
| 1914 | 6 |
| 1915 | 9 |
| 1916 | 8 |
| 1917 | 7 |
| 1918 | 5 |
| 1919 | 1 |
| 1920 | 4 |
| 1921 | 4 |
| 1922 | 7 |
| 1923 | 6 |
| 1924 | 6 |
| 1925 | 3 |
| 1926 | 7 |
| 1927 | 7 |
| 1928 | 4 |
| 1929 | 3 |
| 1930 | 2 |
| 1931 | 5 |
| 1932 | 6 |
| 1933 | 9 |
| 1934 | 17 |
| 1935 | 9 |
| 1936 | 12 |
| 1937 | 9 |
| 1938 | 13 |
| 1939 | 6 |
| 1940 | 9 |
| 1941 | 9 |
| 1942 | 9 |
| 1943 | 17 |
| 1944 | 15 |
| 1945 | 22 |
| 1946 | 67 |
| 1947 | 78 |
| 1948 | 92 |
| 1949 | 71 |
| 1950 | 84 |
| 1951 | 94 |
| 1952 | 105 |
| 1953 | 79 |
| 1954 | 88 |
| 1955 | 97 |
| 1956 | 86 |
| 1957 | 86 |
| 1958 | 98 |
| 1959 | 79 |
| 1960 | 100 |
| 1961 | 89 |
| 1962 | 111 |
| 1963 | 122 |
| 1964 | 141 |
| 1965 | 186 |
| 1966 | 174 |
| 1967 | 212 |
| 1968 | 188 |
| 1969 | 210 |
| 1970 | 221 |
| 1971 | 238 |
| 1972 | 267 |
| 1973 | 277 |
| 1974 | 277 |
| 1975 | 353 |
| 1976 | 319 |
| 1977 | 322 |
| 1978 | 306 |
| 1979 | 430 |
| 1980 | 386 |
| 1981 | 404 |
| 1982 | 464 |
| 1983 | 473 |
| 1984 | 494 |
| 1985 | 515 |
| 1986 | 533 |
| 1987 | 585 |
| 1988 | 709 |
| 1989 | 781 |
| 1990 | 799 |
| 1991 | 843 |
| 1992 | 880 |
| 1993 | 868 |
| 1994 | 995 |
| 1995 | 1001 |
| 1996 | 984 |
| 1997 | 915 |
| 1998 | 924 |
| 1999 | 912 |
| 2000 | 1067 |
| 2001 | 1092 |
| 2002 | 1141 |
| 2003 | 1208 |
| 2004 | 1241 |
| 2005 | 1310 |
| 2006 | 1498 |
| 2007 | 1617 |
| 2008 | 1691 |
| 2009 | 1750 |
| 2010 | 1840 |
| 2011 | 1971 |
| 2012 | 2143 |
| 2013 | 2300 |
| 2014 | 2803 |
| 2015 | 3049 |
| 2016 | 3233 |
| 2017 | 3322 |
| 2018 | 3407 |
| 2019 | 3453 |
| 2020 | 3963 |
| 2021 | 4226 |
| 2022 | 3887 |
| 2023 | 3801 |
| 2024 | 1472 |