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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1787 | 1 |
| 1794 | 2 |
| 1800 | 1 |
| 1802 | 1 |
| 1804 | 1 |
| 1805 | 1 |
| 1815 | 1 |
| 1821 | 1 |
| 1828 | 1 |
| 1829 | 1 |
| 1830 | 1 |
| 1832 | 1 |
| 1833 | 1 |
| 1834 | 1 |
| 1842 | 1 |
| 1844 | 1 |
| 1846 | 1 |
| 1848 | 1 |
| 1849 | 2 |
| 1850 | 2 |
| 1852 | 1 |
| 1855 | 3 |
| 1856 | 2 |
| 1857 | 1 |
| 1858 | 3 |
| 1859 | 3 |
| 1860 | 3 |
| 1861 | 2 |
| 1863 | 3 |
| 1865 | 2 |
| 1867 | 1 |
| 1868 | 1 |
| 1870 | 1 |
| 1871 | 6 |
| 1872 | 1 |
| 1873 | 3 |
| 1876 | 2 |
| 1877 | 5 |
| 1878 | 2 |
| 1879 | 2 |
| 1880 | 7 |
| 1881 | 2 |
| 1882 | 1 |
| 1883 | 2 |
| 1884 | 3 |
| 1885 | 5 |
| 1886 | 4 |
| 1887 | 1 |
| 1888 | 7 |
| 1889 | 5 |
| 1890 | 9 |
| 1891 | 5 |
| 1892 | 8 |
| 1893 | 2 |
| 1894 | 3 |
| 1895 | 14 |
| 1896 | 4 |
| 1897 | 6 |
| 1899 | 2 |
| 1900 | 6 |
| 1901 | 4 |
| 1902 | 8 |
| 1903 | 2 |
| 1904 | 4 |
| 1905 | 6 |
| 1906 | 5 |
| 1907 | 4 |
| 1908 | 3 |
| 1909 | 12 |
| 1910 | 7 |
| 1911 | 7 |
| 1912 | 10 |
| 1913 | 6 |
| 1914 | 8 |
| 1915 | 6 |
| 1916 | 7 |
| 1917 | 8 |
| 1918 | 10 |
| 1919 | 5 |
| 1920 | 8 |
| 1921 | 6 |
| 1922 | 10 |
| 1923 | 6 |
| 1924 | 6 |
| 1925 | 9 |
| 1926 | 18 |
| 1927 | 22 |
| 1928 | 18 |
| 1929 | 16 |
| 1930 | 13 |
| 1931 | 13 |
| 1932 | 23 |
| 1933 | 19 |
| 1934 | 21 |
| 1935 | 29 |
| 1936 | 15 |
| 1937 | 15 |
| 1938 | 17 |
| 1939 | 17 |
| 1940 | 13 |
| 1941 | 17 |
| 1942 | 9 |
| 1943 | 9 |
| 1944 | 19 |
| 1945 | 30 |
| 1946 | 92 |
| 1947 | 82 |
| 1948 | 98 |
| 1949 | 113 |
| 1950 | 129 |
| 1951 | 204 |
| 1952 | 190 |
| 1953 | 206 |
| 1954 | 163 |
| 1955 | 157 |
| 1956 | 173 |
| 1957 | 206 |
| 1958 | 177 |
| 1959 | 163 |
| 1960 | 148 |
| 1961 | 201 |
| 1962 | 228 |
| 1963 | 256 |
| 1964 | 268 |
| 1965 | 317 |
| 1966 | 350 |
| 1967 | 330 |
| 1968 | 321 |
| 1969 | 343 |
| 1970 | 437 |
| 1971 | 395 |
| 1972 | 470 |
| 1973 | 477 |
| 1974 | 526 |
| 1975 | 562 |
| 1976 | 647 |
| 1977 | 607 |
| 1978 | 696 |
| 1979 | 677 |
| 1980 | 715 |
| 1981 | 689 |
| 1982 | 871 |
| 1983 | 785 |
| 1984 | 832 |
| 1985 | 922 |
| 1986 | 985 |
| 1987 | 1226 |
| 1988 | 1609 |
| 1989 | 1625 |
| 1990 | 1860 |
| 1991 | 1913 |
| 1992 | 1896 |
| 1993 | 2075 |
| 1994 | 2133 |
| 1995 | 2302 |
| 1996 | 2401 |
| 1997 | 2297 |
| 1998 | 2473 |
| 1999 | 2669 |
| 2000 | 3017 |
| 2001 | 3262 |
| 2002 | 3396 |
| 2003 | 3759 |
| 2004 | 4007 |
| 2005 | 4399 |
| 2006 | 4657 |
| 2007 | 4997 |
| 2008 | 4888 |
| 2009 | 5060 |
| 2010 | 5362 |
| 2011 | 5821 |
| 2012 | 6110 |
| 2013 | 6790 |
| 2014 | 8660 |
| 2015 | 10192 |
| 2016 | 10904 |
| 2017 | 10889 |
| 2018 | 11452 |
| 2019 | 11847 |
| 2020 | 13764 |
| 2021 | 14553 |
| 2022 | 14012 |
| 2023 | 6219 |