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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 |
| 1797 | 1 |
| 1799 | 3 |
| 1800 | 1 |
| 1801 | 1 |
| 1806 | 2 |
| 1807 | 2 |
| 1811 | 1 |
| 1818 | 1 |
| 1819 | 1 |
| 1824 | 1 |
| 1826 | 1 |
| 1828 | 2 |
| 1829 | 1 |
| 1833 | 2 |
| 1834 | 2 |
| 1841 | 1 |
| 1844 | 4 |
| 1847 | 2 |
| 1850 | 4 |
| 1851 | 3 |
| 1853 | 7 |
| 1854 | 1 |
| 1855 | 3 |
| 1856 | 4 |
| 1857 | 2 |
| 1858 | 1 |
| 1859 | 3 |
| 1860 | 2 |
| 1861 | 4 |
| 1862 | 4 |
| 1863 | 11 |
| 1864 | 10 |
| 1865 | 5 |
| 1866 | 9 |
| 1867 | 10 |
| 1868 | 5 |
| 1869 | 7 |
| 1870 | 13 |
| 1871 | 10 |
| 1872 | 9 |
| 1873 | 8 |
| 1874 | 6 |
| 1875 | 3 |
| 1876 | 5 |
| 1877 | 7 |
| 1878 | 7 |
| 1879 | 25 |
| 1880 | 20 |
| 1881 | 15 |
| 1882 | 11 |
| 1883 | 11 |
| 1884 | 2 |
| 1885 | 8 |
| 1886 | 3 |
| 1887 | 8 |
| 1888 | 6 |
| 1889 | 10 |
| 1890 | 5 |
| 1891 | 7 |
| 1892 | 9 |
| 1893 | 29 |
| 1894 | 20 |
| 1895 | 15 |
| 1896 | 8 |
| 1897 | 5 |
| 1898 | 9 |
| 1899 | 7 |
| 1900 | 12 |
| 1901 | 11 |
| 1902 | 17 |
| 1903 | 11 |
| 1904 | 7 |
| 1905 | 8 |
| 1906 | 6 |
| 1907 | 10 |
| 1908 | 10 |
| 1909 | 9 |
| 1910 | 6 |
| 1911 | 5 |
| 1912 | 9 |
| 1913 | 5 |
| 1914 | 6 |
| 1915 | 9 |
| 1916 | 8 |
| 1917 | 8 |
| 1918 | 6 |
| 1919 | 1 |
| 1920 | 8 |
| 1921 | 8 |
| 1922 | 11 |
| 1923 | 9 |
| 1924 | 14 |
| 1925 | 8 |
| 1926 | 12 |
| 1927 | 12 |
| 1928 | 6 |
| 1929 | 8 |
| 1930 | 7 |
| 1931 | 12 |
| 1932 | 15 |
| 1933 | 20 |
| 1934 | 25 |
| 1935 | 17 |
| 1936 | 20 |
| 1937 | 16 |
| 1938 | 20 |
| 1939 | 16 |
| 1940 | 11 |
| 1941 | 14 |
| 1942 | 16 |
| 1943 | 20 |
| 1944 | 20 |
| 1945 | 48 |
| 1946 | 140 |
| 1947 | 144 |
| 1948 | 169 |
| 1949 | 132 |
| 1950 | 161 |
| 1951 | 172 |
| 1952 | 185 |
| 1953 | 161 |
| 1954 | 192 |
| 1955 | 188 |
| 1956 | 187 |
| 1957 | 201 |
| 1958 | 229 |
| 1959 | 204 |
| 1960 | 222 |
| 1961 | 247 |
| 1962 | 272 |
| 1963 | 298 |
| 1964 | 333 |
| 1965 | 385 |
| 1966 | 392 |
| 1967 | 443 |
| 1968 | 437 |
| 1969 | 459 |
| 1970 | 516 |
| 1971 | 543 |
| 1972 | 581 |
| 1973 | 620 |
| 1974 | 653 |
| 1975 | 775 |
| 1976 | 788 |
| 1977 | 751 |
| 1978 | 790 |
| 1979 | 974 |
| 1980 | 885 |
| 1981 | 971 |
| 1982 | 1057 |
| 1983 | 1021 |
| 1984 | 1137 |
| 1985 | 1263 |
| 1986 | 1367 |
| 1987 | 1542 |
| 1988 | 1928 |
| 1989 | 2091 |
| 1990 | 2313 |
| 1991 | 2440 |
| 1992 | 2486 |
| 1993 | 2494 |
| 1994 | 2692 |
| 1995 | 2700 |
| 1996 | 2695 |
| 1997 | 2523 |
| 1998 | 2575 |
| 1999 | 2685 |
| 2000 | 2996 |
| 2001 | 3084 |
| 2002 | 3329 |
| 2003 | 3501 |
| 2004 | 3645 |
| 2005 | 4086 |
| 2006 | 4434 |
| 2007 | 4794 |
| 2008 | 4944 |
| 2009 | 5264 |
| 2010 | 5543 |
| 2011 | 6005 |
| 2012 | 6400 |
| 2013 | 6874 |
| 2014 | 8350 |
| 2015 | 9045 |
| 2016 | 9654 |
| 2017 | 10118 |
| 2018 | 10371 |
| 2019 | 10350 |
| 2020 | 11693 |
| 2021 | 12450 |
| 2022 | 11746 |
| 2023 | 11278 |
| 2024 | 4274 |