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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1790 | 1 |
| 1810 | 1 |
| 1850 | 2 |
| 1855 | 2 |
| 1856 | 1 |
| 1857 | 2 |
| 1858 | 1 |
| 1862 | 1 |
| 1863 | 1 |
| 1878 | 1 |
| 1879 | 3 |
| 1880 | 1 |
| 1881 | 1 |
| 1882 | 3 |
| 1883 | 2 |
| 1885 | 14 |
| 1886 | 14 |
| 1887 | 11 |
| 1888 | 12 |
| 1889 | 18 |
| 1890 | 14 |
| 1891 | 8 |
| 1892 | 12 |
| 1893 | 12 |
| 1894 | 7 |
| 1895 | 14 |
| 1896 | 9 |
| 1897 | 13 |
| 1898 | 7 |
| 1899 | 13 |
| 1900 | 9 |
| 1901 | 10 |
| 1902 | 9 |
| 1903 | 7 |
| 1905 | 5 |
| 1906 | 3 |
| 1907 | 13 |
| 1908 | 4 |
| 1909 | 7 |
| 1910 | 3 |
| 1911 | 3 |
| 1912 | 8 |
| 1913 | 2 |
| 1914 | 6 |
| 1915 | 5 |
| 1916 | 5 |
| 1917 | 5 |
| 1918 | 10 |
| 1919 | 6 |
| 1920 | 5 |
| 1921 | 6 |
| 1922 | 13 |
| 1923 | 5 |
| 1924 | 4 |
| 1925 | 3 |
| 1926 | 3 |
| 1927 | 11 |
| 1928 | 13 |
| 1929 | 6 |
| 1930 | 5 |
| 1931 | 6 |
| 1932 | 8 |
| 1933 | 7 |
| 1934 | 4 |
| 1935 | 4 |
| 1936 | 7 |
| 1937 | 8 |
| 1938 | 2 |
| 1939 | 17 |
| 1940 | 5 |
| 1941 | 7 |
| 1942 | 10 |
| 1943 | 8 |
| 1944 | 4 |
| 1945 | 21 |
| 1946 | 76 |
| 1947 | 69 |
| 1948 | 73 |
| 1949 | 72 |
| 1950 | 131 |
| 1951 | 116 |
| 1952 | 160 |
| 1953 | 175 |
| 1954 | 140 |
| 1955 | 127 |
| 1956 | 130 |
| 1957 | 149 |
| 1958 | 138 |
| 1959 | 194 |
| 1960 | 147 |
| 1961 | 175 |
| 1962 | 152 |
| 1963 | 215 |
| 1964 | 239 |
| 1965 | 309 |
| 1966 | 427 |
| 1967 | 480 |
| 1968 | 511 |
| 1969 | 523 |
| 1970 | 576 |
| 1971 | 577 |
| 1972 | 633 |
| 1973 | 647 |
| 1974 | 768 |
| 1975 | 1985 |
| 1976 | 2234 |
| 1977 | 2225 |
| 1978 | 2365 |
| 1979 | 2555 |
| 1980 | 2798 |
| 1981 | 2853 |
| 1982 | 3174 |
| 1983 | 3750 |
| 1984 | 3959 |
| 1985 | 4317 |
| 1986 | 4649 |
| 1987 | 5126 |
| 1988 | 5567 |
| 1989 | 7121 |
| 1990 | 7841 |
| 1991 | 8503 |
| 1992 | 9173 |
| 1993 | 10089 |
| 1994 | 10755 |
| 1995 | 11125 |
| 1996 | 11991 |
| 1997 | 13168 |
| 1998 | 14069 |
| 1999 | 16259 |
| 2000 | 18209 |
| 2001 | 20397 |
| 2002 | 22290 |
| 2003 | 25757 |
| 2004 | 28159 |
| 2005 | 32719 |
| 2006 | 35208 |
| 2007 | 39461 |
| 2008 | 43208 |
| 2009 | 45696 |
| 2010 | 49704 |
| 2011 | 53844 |
| 2012 | 59600 |
| 2013 | 65438 |
| 2014 | 68950 |
| 2015 | 72203 |
| 2016 | 74160 |
| 2017 | 76828 |
| 2018 | 80156 |
| 2019 | 85451 |
| 2020 | 98166 |
| 2021 | 106857 |
| 2022 | 106704 |
| 2023 | 99905 |
| 2024 | 109653 |
| 2025 | 126158 |
| 2026 | 84618 |
| 2027 | 3 |
| 2028 | 1 |