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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1789 | 1 |
| 1792 | 2 |
| 1793 | 1 |
| 1794 | 1 |
| 1828 | 2 |
| 1830 | 1 |
| 1831 | 1 |
| 1832 | 1 |
| 1838 | 1 |
| 1841 | 2 |
| 1842 | 2 |
| 1845 | 1 |
| 1848 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1855 | 1 |
| 1856 | 1 |
| 1857 | 1 |
| 1864 | 1 |
| 1866 | 1 |
| 1868 | 2 |
| 1872 | 1 |
| 1873 | 2 |
| 1880 | 1 |
| 1881 | 2 |
| 1882 | 4 |
| 1883 | 1 |
| 1884 | 4 |
| 1885 | 4 |
| 1886 | 5 |
| 1887 | 2 |
| 1888 | 1 |
| 1890 | 1 |
| 1891 | 4 |
| 1892 | 6 |
| 1893 | 3 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 2 |
| 1898 | 3 |
| 1899 | 1 |
| 1900 | 5 |
| 1904 | 2 |
| 1906 | 2 |
| 1910 | 4 |
| 1911 | 1 |
| 1912 | 3 |
| 1913 | 3 |
| 1914 | 2 |
| 1915 | 4 |
| 1916 | 4 |
| 1917 | 4 |
| 1918 | 1 |
| 1919 | 6 |
| 1920 | 1 |
| 1921 | 2 |
| 1922 | 4 |
| 1923 | 3 |
| 1924 | 7 |
| 1925 | 7 |
| 1926 | 3 |
| 1927 | 10 |
| 1928 | 5 |
| 1929 | 2 |
| 1930 | 5 |
| 1931 | 7 |
| 1932 | 13 |
| 1933 | 9 |
| 1934 | 9 |
| 1935 | 5 |
| 1936 | 7 |
| 1937 | 5 |
| 1938 | 10 |
| 1939 | 8 |
| 1940 | 6 |
| 1941 | 10 |
| 1942 | 10 |
| 1943 | 9 |
| 1944 | 16 |
| 1945 | 14 |
| 1946 | 38 |
| 1947 | 41 |
| 1948 | 55 |
| 1949 | 56 |
| 1950 | 40 |
| 1951 | 51 |
| 1952 | 47 |
| 1953 | 50 |
| 1954 | 57 |
| 1955 | 53 |
| 1956 | 74 |
| 1957 | 64 |
| 1958 | 83 |
| 1959 | 60 |
| 1960 | 69 |
| 1961 | 77 |
| 1962 | 71 |
| 1963 | 84 |
| 1964 | 117 |
| 1965 | 97 |
| 1966 | 104 |
| 1967 | 113 |
| 1968 | 134 |
| 1969 | 131 |
| 1970 | 124 |
| 1971 | 126 |
| 1972 | 134 |
| 1973 | 146 |
| 1974 | 172 |
| 1975 | 185 |
| 1976 | 214 |
| 1977 | 243 |
| 1978 | 258 |
| 1979 | 215 |
| 1980 | 223 |
| 1981 | 281 |
| 1982 | 234 |
| 1983 | 227 |
| 1984 | 269 |
| 1985 | 318 |
| 1986 | 307 |
| 1987 | 376 |
| 1988 | 349 |
| 1989 | 356 |
| 1990 | 392 |
| 1991 | 396 |
| 1992 | 419 |
| 1993 | 461 |
| 1994 | 431 |
| 1995 | 450 |
| 1996 | 517 |
| 1997 | 517 |
| 1998 | 496 |
| 1999 | 535 |
| 2000 | 563 |
| 2001 | 613 |
| 2002 | 621 |
| 2003 | 657 |
| 2004 | 687 |
| 2005 | 725 |
| 2006 | 798 |
| 2007 | 797 |
| 2008 | 891 |
| 2009 | 970 |
| 2010 | 931 |
| 2011 | 1048 |
| 2012 | 1132 |
| 2013 | 1164 |
| 2014 | 1235 |
| 2015 | 1222 |
| 2016 | 1287 |
| 2017 | 1244 |
| 2018 | 1292 |
| 2019 | 1321 |
| 2020 | 1638 |
| 2021 | 1827 |
| 2022 | 1839 |
| 2023 | 1758 |
| 2024 | 1754 |
| 2025 | 1423 |