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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1806 | 3 |
| 1807 | 1 |
| 1815 | 1 |
| 1821 | 1 |
| 1843 | 1 |
| 1845 | 1 |
| 1850 | 1 |
| 1858 | 1 |
| 1868 | 2 |
| 1869 | 1 |
| 1870 | 1 |
| 1876 | 1 |
| 1877 | 2 |
| 1878 | 1 |
| 1879 | 2 |
| 1880 | 2 |
| 1881 | 1 |
| 1887 | 1 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 3 |
| 1895 | 2 |
| 1896 | 3 |
| 1897 | 1 |
| 1898 | 3 |
| 1899 | 1 |
| 1900 | 4 |
| 1901 | 2 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 2 |
| 1905 | 5 |
| 1906 | 8 |
| 1907 | 9 |
| 1908 | 8 |
| 1909 | 5 |
| 1910 | 12 |
| 1911 | 16 |
| 1912 | 15 |
| 1913 | 12 |
| 1914 | 12 |
| 1915 | 10 |
| 1916 | 19 |
| 1917 | 17 |
| 1918 | 21 |
| 1919 | 16 |
| 1920 | 12 |
| 1921 | 23 |
| 1922 | 20 |
| 1923 | 17 |
| 1924 | 21 |
| 1925 | 14 |
| 1926 | 22 |
| 1927 | 32 |
| 1928 | 33 |
| 1929 | 25 |
| 1930 | 23 |
| 1931 | 29 |
| 1932 | 16 |
| 1933 | 15 |
| 1934 | 21 |
| 1935 | 30 |
| 1936 | 51 |
| 1937 | 17 |
| 1938 | 30 |
| 1939 | 31 |
| 1940 | 21 |
| 1941 | 20 |
| 1942 | 13 |
| 1943 | 7 |
| 1944 | 12 |
| 1945 | 73 |
| 1946 | 152 |
| 1947 | 190 |
| 1948 | 189 |
| 1949 | 176 |
| 1950 | 324 |
| 1951 | 393 |
| 1952 | 451 |
| 1953 | 456 |
| 1954 | 474 |
| 1955 | 503 |
| 1956 | 501 |
| 1957 | 532 |
| 1958 | 550 |
| 1959 | 509 |
| 1960 | 565 |
| 1961 | 593 |
| 1962 | 627 |
| 1963 | 1652 |
| 1964 | 2340 |
| 1965 | 2416 |
| 1966 | 2814 |
| 1967 | 3075 |
| 1968 | 3296 |
| 1969 | 3570 |
| 1970 | 3631 |
| 1971 | 3707 |
| 1972 | 3674 |
| 1973 | 3662 |
| 1974 | 3642 |
| 1975 | 3717 |
| 1976 | 3425 |
| 1977 | 3332 |
| 1978 | 3479 |
| 1979 | 3504 |
| 1980 | 3664 |
| 1981 | 3571 |
| 1982 | 3742 |
| 1983 | 3831 |
| 1984 | 3762 |
| 1985 | 3790 |
| 1986 | 3782 |
| 1987 | 3696 |
| 1988 | 3607 |
| 1989 | 3842 |
| 1990 | 3706 |
| 1991 | 3722 |
| 1992 | 3566 |
| 1993 | 3442 |
| 1994 | 3240 |
| 1995 | 3203 |
| 1996 | 2953 |
| 1997 | 2737 |
| 1998 | 2565 |
| 1999 | 2402 |
| 2000 | 2217 |
| 2001 | 2063 |
| 2002 | 1948 |
| 2003 | 1874 |
| 2004 | 1840 |
| 2005 | 1798 |
| 2006 | 1729 |
| 2007 | 1751 |
| 2008 | 1724 |
| 2009 | 1614 |
| 2010 | 1669 |
| 2011 | 1724 |
| 2012 | 1588 |
| 2013 | 1617 |
| 2014 | 1766 |
| 2015 | 1778 |
| 2016 | 1674 |
| 2017 | 1521 |
| 2018 | 1451 |
| 2019 | 1376 |
| 2020 | 1460 |
| 2021 | 1557 |
| 2022 | 1355 |
| 2023 | 1206 |
| 2024 | 1215 |
| 2025 | 1144 |
| 2026 | 7 |