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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1826 | 1 |
| 1854 | 1 |
| 1864 | 2 |
| 1868 | 2 |
| 1869 | 2 |
| 1870 | 1 |
| 1871 | 1 |
| 1873 | 5 |
| 1874 | 1 |
| 1875 | 1 |
| 1878 | 5 |
| 1879 | 1 |
| 1882 | 3 |
| 1883 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 3 |
| 1892 | 1 |
| 1893 | 2 |
| 1895 | 2 |
| 1896 | 1 |
| 1899 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 2 |
| 1904 | 4 |
| 1905 | 2 |
| 1907 | 2 |
| 1908 | 2 |
| 1909 | 4 |
| 1910 | 2 |
| 1911 | 5 |
| 1912 | 1 |
| 1913 | 7 |
| 1916 | 4 |
| 1917 | 2 |
| 1918 | 3 |
| 1919 | 1 |
| 1922 | 2 |
| 1923 | 2 |
| 1924 | 3 |
| 1926 | 5 |
| 1927 | 1 |
| 1928 | 4 |
| 1929 | 4 |
| 1930 | 3 |
| 1931 | 4 |
| 1932 | 1 |
| 1933 | 4 |
| 1934 | 3 |
| 1935 | 4 |
| 1936 | 2 |
| 1937 | 2 |
| 1938 | 4 |
| 1939 | 3 |
| 1940 | 5 |
| 1941 | 2 |
| 1942 | 2 |
| 1943 | 4 |
| 1944 | 3 |
| 1945 | 13 |
| 1946 | 27 |
| 1947 | 30 |
| 1948 | 28 |
| 1949 | 33 |
| 1950 | 55 |
| 1951 | 69 |
| 1952 | 52 |
| 1953 | 102 |
| 1954 | 98 |
| 1955 | 94 |
| 1956 | 106 |
| 1957 | 98 |
| 1958 | 88 |
| 1959 | 81 |
| 1960 | 77 |
| 1961 | 102 |
| 1962 | 152 |
| 1963 | 385 |
| 1964 | 579 |
| 1965 | 390 |
| 1966 | 421 |
| 1967 | 557 |
| 1968 | 632 |
| 1969 | 731 |
| 1970 | 714 |
| 1971 | 705 |
| 1972 | 729 |
| 1973 | 783 |
| 1974 | 930 |
| 1975 | 831 |
| 1976 | 828 |
| 1977 | 758 |
| 1978 | 750 |
| 1979 | 823 |
| 1980 | 843 |
| 1981 | 842 |
| 1982 | 905 |
| 1983 | 952 |
| 1984 | 995 |
| 1985 | 1068 |
| 1986 | 1107 |
| 1987 | 1079 |
| 1988 | 1169 |
| 1989 | 1148 |
| 1990 | 1105 |
| 1991 | 1106 |
| 1992 | 1009 |
| 1993 | 959 |
| 1994 | 936 |
| 1995 | 860 |
| 1996 | 767 |
| 1997 | 834 |
| 1998 | 725 |
| 1999 | 684 |
| 2000 | 611 |
| 2001 | 587 |
| 2002 | 572 |
| 2003 | 528 |
| 2004 | 511 |
| 2005 | 592 |
| 2006 | 636 |
| 2007 | 569 |
| 2008 | 544 |
| 2009 | 525 |
| 2010 | 536 |
| 2011 | 549 |
| 2012 | 508 |
| 2013 | 477 |
| 2014 | 437 |
| 2015 | 437 |
| 2016 | 416 |
| 2017 | 406 |
| 2018 | 391 |
| 2019 | 417 |
| 2020 | 421 |
| 2021 | 421 |
| 2022 | 448 |
| 2023 | 443 |
| 2024 | 169 |