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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1792 | 1 |
| 1800 | 1 |
| 1804 | 1 |
| 1807 | 1 |
| 1808 | 1 |
| 1810 | 1 |
| 1811 | 1 |
| 1812 | 1 |
| 1817 | 2 |
| 1818 | 2 |
| 1819 | 1 |
| 1824 | 1 |
| 1827 | 3 |
| 1828 | 1 |
| 1831 | 3 |
| 1832 | 1 |
| 1834 | 1 |
| 1839 | 2 |
| 1846 | 1 |
| 1847 | 3 |
| 1849 | 1 |
| 1853 | 2 |
| 1855 | 2 |
| 1857 | 1 |
| 1858 | 2 |
| 1859 | 1 |
| 1860 | 15 |
| 1861 | 14 |
| 1862 | 7 |
| 1863 | 9 |
| 1864 | 5 |
| 1865 | 5 |
| 1866 | 3 |
| 1867 | 14 |
| 1868 | 6 |
| 1869 | 7 |
| 1870 | 1 |
| 1871 | 9 |
| 1872 | 10 |
| 1873 | 5 |
| 1874 | 4 |
| 1875 | 3 |
| 1876 | 9 |
| 1877 | 6 |
| 1878 | 9 |
| 1879 | 7 |
| 1880 | 3 |
| 1881 | 4 |
| 1882 | 7 |
| 1883 | 4 |
| 1884 | 9 |
| 1885 | 1 |
| 1886 | 2 |
| 1887 | 8 |
| 1888 | 3 |
| 1889 | 6 |
| 1890 | 3 |
| 1891 | 4 |
| 1892 | 6 |
| 1893 | 7 |
| 1894 | 9 |
| 1895 | 5 |
| 1896 | 5 |
| 1897 | 4 |
| 1898 | 2 |
| 1899 | 1 |
| 1900 | 6 |
| 1901 | 9 |
| 1902 | 4 |
| 1903 | 5 |
| 1904 | 5 |
| 1905 | 8 |
| 1906 | 8 |
| 1907 | 3 |
| 1908 | 7 |
| 1909 | 6 |
| 1910 | 8 |
| 1911 | 6 |
| 1912 | 5 |
| 1913 | 12 |
| 1914 | 6 |
| 1915 | 8 |
| 1916 | 6 |
| 1917 | 1 |
| 1918 | 2 |
| 1919 | 6 |
| 1920 | 7 |
| 1921 | 6 |
| 1922 | 4 |
| 1923 | 5 |
| 1924 | 6 |
| 1925 | 12 |
| 1926 | 13 |
| 1927 | 10 |
| 1928 | 11 |
| 1929 | 6 |
| 1930 | 16 |
| 1931 | 6 |
| 1932 | 14 |
| 1933 | 11 |
| 1934 | 10 |
| 1935 | 15 |
| 1936 | 6 |
| 1937 | 5 |
| 1938 | 2 |
| 1939 | 8 |
| 1940 | 7 |
| 1941 | 8 |
| 1942 | 8 |
| 1943 | 3 |
| 1944 | 11 |
| 1945 | 16 |
| 1946 | 45 |
| 1947 | 41 |
| 1948 | 47 |
| 1949 | 39 |
| 1950 | 42 |
| 1951 | 55 |
| 1952 | 55 |
| 1953 | 57 |
| 1954 | 37 |
| 1955 | 38 |
| 1956 | 52 |
| 1957 | 49 |
| 1958 | 49 |
| 1959 | 48 |
| 1960 | 52 |
| 1961 | 57 |
| 1962 | 54 |
| 1963 | 42 |
| 1964 | 73 |
| 1965 | 66 |
| 1966 | 64 |
| 1967 | 68 |
| 1968 | 67 |
| 1969 | 91 |
| 1970 | 99 |
| 1971 | 108 |
| 1972 | 129 |
| 1973 | 177 |
| 1974 | 140 |
| 1975 | 153 |
| 1976 | 154 |
| 1977 | 152 |
| 1978 | 183 |
| 1979 | 204 |
| 1980 | 174 |
| 1981 | 231 |
| 1982 | 210 |
| 1983 | 220 |
| 1984 | 239 |
| 1985 | 280 |
| 1986 | 288 |
| 1987 | 345 |
| 1988 | 387 |
| 1989 | 434 |
| 1990 | 453 |
| 1991 | 435 |
| 1992 | 515 |
| 1993 | 607 |
| 1994 | 556 |
| 1995 | 557 |
| 1996 | 557 |
| 1997 | 626 |
| 1998 | 706 |
| 1999 | 706 |
| 2000 | 899 |
| 2001 | 1013 |
| 2002 | 991 |
| 2003 | 1091 |
| 2004 | 1192 |
| 2005 | 1368 |
| 2006 | 1460 |
| 2007 | 1590 |
| 2008 | 1797 |
| 2009 | 1847 |
| 2010 | 1934 |
| 2011 | 2171 |
| 2012 | 2365 |
| 2013 | 2498 |
| 2014 | 3081 |
| 2015 | 3687 |
| 2016 | 3782 |
| 2017 | 3554 |
| 2018 | 3862 |
| 2019 | 3852 |
| 2020 | 4210 |
| 2021 | 4484 |
| 2022 | 4253 |
| 2023 | 4326 |
| 2024 | 4386 |
| 2025 | 3689 |