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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 1 |
| 1859 | 1 |
| 1861 | 2 |
| 1862 | 1 |
| 1867 | 3 |
| 1868 | 6 |
| 1869 | 4 |
| 1870 | 3 |
| 1871 | 6 |
| 1872 | 6 |
| 1873 | 2 |
| 1874 | 1 |
| 1875 | 2 |
| 1876 | 3 |
| 1878 | 1 |
| 1879 | 2 |
| 1880 | 4 |
| 1881 | 3 |
| 1882 | 3 |
| 1883 | 2 |
| 1885 | 3 |
| 1886 | 1 |
| 1887 | 1 |
| 1892 | 3 |
| 1893 | 1 |
| 1894 | 1 |
| 1902 | 1 |
| 1907 | 4 |
| 1908 | 7 |
| 1909 | 4 |
| 1911 | 1 |
| 1912 | 3 |
| 1913 | 1 |
| 1915 | 2 |
| 1916 | 2 |
| 1917 | 1 |
| 1920 | 1 |
| 1921 | 1 |
| 1922 | 1 |
| 1923 | 2 |
| 1926 | 1 |
| 1929 | 1 |
| 1930 | 2 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 3 |
| 1934 | 5 |
| 1935 | 4 |
| 1936 | 2 |
| 1937 | 1 |
| 1939 | 1 |
| 1945 | 4 |
| 1946 | 16 |
| 1947 | 36 |
| 1948 | 23 |
| 1949 | 19 |
| 1950 | 21 |
| 1951 | 35 |
| 1952 | 28 |
| 1953 | 40 |
| 1954 | 35 |
| 1955 | 27 |
| 1956 | 53 |
| 1957 | 49 |
| 1958 | 55 |
| 1959 | 56 |
| 1960 | 62 |
| 1961 | 48 |
| 1962 | 67 |
| 1963 | 74 |
| 1964 | 118 |
| 1965 | 104 |
| 1966 | 85 |
| 1967 | 122 |
| 1968 | 133 |
| 1969 | 164 |
| 1970 | 161 |
| 1971 | 174 |
| 1972 | 185 |
| 1973 | 171 |
| 1974 | 168 |
| 1975 | 183 |
| 1976 | 204 |
| 1977 | 210 |
| 1978 | 236 |
| 1979 | 179 |
| 1980 | 239 |
| 1981 | 278 |
| 1982 | 363 |
| 1983 | 563 |
| 1984 | 638 |
| 1985 | 674 |
| 1986 | 690 |
| 1987 | 681 |
| 1988 | 691 |
| 1989 | 619 |
| 1990 | 672 |
| 1991 | 646 |
| 1992 | 623 |
| 1993 | 664 |
| 1994 | 667 |
| 1995 | 687 |
| 1996 | 664 |
| 1997 | 599 |
| 1998 | 642 |
| 1999 | 618 |
| 2000 | 639 |
| 2001 | 710 |
| 2002 | 701 |
| 2003 | 709 |
| 2004 | 775 |
| 2005 | 915 |
| 2006 | 982 |
| 2007 | 1036 |
| 2008 | 1187 |
| 2009 | 1182 |
| 2010 | 1243 |
| 2011 | 1513 |
| 2012 | 1672 |
| 2013 | 1968 |
| 2014 | 2301 |
| 2015 | 2631 |
| 2016 | 2982 |
| 2017 | 3200 |
| 2018 | 3578 |
| 2019 | 3828 |
| 2020 | 4260 |
| 2021 | 4794 |
| 2022 | 4922 |
| 2023 | 4780 |
| 2024 | 1593 |