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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1856 | 1 |
| 1857 | 2 |
| 1861 | 1 |
| 1865 | 1 |
| 1867 | 7 |
| 1868 | 1 |
| 1869 | 2 |
| 1870 | 2 |
| 1872 | 2 |
| 1873 | 1 |
| 1875 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 3 |
| 1880 | 4 |
| 1881 | 4 |
| 1882 | 8 |
| 1883 | 2 |
| 1884 | 2 |
| 1885 | 2 |
| 1886 | 1 |
| 1889 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1895 | 2 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 5 |
| 1900 | 5 |
| 1901 | 6 |
| 1902 | 6 |
| 1903 | 6 |
| 1904 | 8 |
| 1905 | 4 |
| 1906 | 5 |
| 1907 | 5 |
| 1908 | 1 |
| 1909 | 3 |
| 1910 | 7 |
| 1911 | 12 |
| 1912 | 12 |
| 1913 | 12 |
| 1915 | 5 |
| 1916 | 4 |
| 1917 | 9 |
| 1918 | 4 |
| 1919 | 1 |
| 1920 | 8 |
| 1921 | 8 |
| 1922 | 4 |
| 1923 | 6 |
| 1924 | 7 |
| 1925 | 7 |
| 1926 | 6 |
| 1927 | 4 |
| 1928 | 3 |
| 1929 | 2 |
| 1930 | 5 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 6 |
| 1934 | 3 |
| 1935 | 1 |
| 1936 | 4 |
| 1937 | 3 |
| 1938 | 4 |
| 1939 | 1 |
| 1940 | 4 |
| 1941 | 3 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 8 |
| 1946 | 27 |
| 1947 | 34 |
| 1948 | 25 |
| 1949 | 25 |
| 1950 | 35 |
| 1951 | 42 |
| 1952 | 52 |
| 1953 | 45 |
| 1954 | 43 |
| 1955 | 59 |
| 1956 | 79 |
| 1957 | 76 |
| 1958 | 57 |
| 1959 | 59 |
| 1960 | 68 |
| 1961 | 59 |
| 1962 | 46 |
| 1963 | 61 |
| 1964 | 75 |
| 1965 | 89 |
| 1966 | 65 |
| 1967 | 102 |
| 1968 | 93 |
| 1969 | 103 |
| 1970 | 105 |
| 1971 | 124 |
| 1972 | 146 |
| 1973 | 129 |
| 1974 | 123 |
| 1975 | 117 |
| 1976 | 130 |
| 1977 | 142 |
| 1978 | 159 |
| 1979 | 147 |
| 1980 | 132 |
| 1981 | 157 |
| 1982 | 139 |
| 1983 | 173 |
| 1984 | 182 |
| 1985 | 208 |
| 1986 | 231 |
| 1987 | 268 |
| 1988 | 309 |
| 1989 | 289 |
| 1990 | 287 |
| 1991 | 302 |
| 1992 | 281 |
| 1993 | 350 |
| 1994 | 359 |
| 1995 | 393 |
| 1996 | 424 |
| 1997 | 417 |
| 1998 | 438 |
| 1999 | 557 |
| 2000 | 553 |
| 2001 | 615 |
| 2002 | 676 |
| 2003 | 646 |
| 2004 | 772 |
| 2005 | 873 |
| 2006 | 929 |
| 2007 | 1009 |
| 2008 | 1118 |
| 2009 | 1209 |
| 2010 | 1350 |
| 2011 | 1394 |
| 2012 | 1459 |
| 2013 | 1656 |
| 2014 | 1866 |
| 2015 | 2130 |
| 2016 | 2304 |
| 2017 | 2584 |
| 2018 | 2966 |
| 2019 | 3230 |
| 2020 | 4240 |
| 2021 | 4870 |
| 2022 | 5322 |
| 2023 | 5404 |
| 2024 | 2375 |