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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1801 | 1 |
| 1806 | 1 |
| 1808 | 2 |
| 1809 | 1 |
| 1813 | 3 |
| 1814 | 2 |
| 1815 | 1 |
| 1818 | 1 |
| 1822 | 1 |
| 1823 | 1 |
| 1830 | 1 |
| 1831 | 1 |
| 1833 | 1 |
| 1835 | 1 |
| 1836 | 1 |
| 1839 | 1 |
| 1851 | 1 |
| 1860 | 1 |
| 1864 | 1 |
| 1866 | 1 |
| 1867 | 6 |
| 1868 | 2 |
| 1871 | 2 |
| 1873 | 2 |
| 1879 | 1 |
| 1881 | 1 |
| 1885 | 2 |
| 1886 | 1 |
| 1887 | 1 |
| 1888 | 1 |
| 1892 | 1 |
| 1895 | 1 |
| 1896 | 2 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 2 |
| 1902 | 3 |
| 1904 | 3 |
| 1906 | 2 |
| 1907 | 1 |
| 1908 | 1 |
| 1910 | 5 |
| 1911 | 5 |
| 1912 | 5 |
| 1913 | 4 |
| 1914 | 8 |
| 1915 | 6 |
| 1916 | 4 |
| 1917 | 5 |
| 1918 | 2 |
| 1919 | 5 |
| 1920 | 5 |
| 1921 | 2 |
| 1922 | 4 |
| 1923 | 2 |
| 1924 | 3 |
| 1925 | 8 |
| 1926 | 2 |
| 1927 | 3 |
| 1928 | 7 |
| 1929 | 2 |
| 1930 | 3 |
| 1931 | 5 |
| 1932 | 10 |
| 1933 | 8 |
| 1934 | 3 |
| 1935 | 7 |
| 1936 | 3 |
| 1937 | 2 |
| 1938 | 4 |
| 1939 | 2 |
| 1940 | 9 |
| 1941 | 19 |
| 1942 | 8 |
| 1943 | 5 |
| 1944 | 7 |
| 1945 | 13 |
| 1946 | 22 |
| 1947 | 40 |
| 1948 | 37 |
| 1949 | 32 |
| 1950 | 44 |
| 1951 | 50 |
| 1952 | 44 |
| 1953 | 32 |
| 1954 | 36 |
| 1955 | 52 |
| 1956 | 41 |
| 1957 | 45 |
| 1958 | 35 |
| 1959 | 41 |
| 1960 | 49 |
| 1961 | 48 |
| 1962 | 37 |
| 1963 | 34 |
| 1964 | 67 |
| 1965 | 61 |
| 1966 | 66 |
| 1967 | 77 |
| 1968 | 96 |
| 1969 | 98 |
| 1970 | 116 |
| 1971 | 106 |
| 1972 | 116 |
| 1973 | 170 |
| 1974 | 120 |
| 1975 | 133 |
| 1976 | 160 |
| 1977 | 145 |
| 1978 | 146 |
| 1979 | 168 |
| 1980 | 159 |
| 1981 | 189 |
| 1982 | 204 |
| 1983 | 240 |
| 1984 | 219 |
| 1985 | 238 |
| 1986 | 278 |
| 1987 | 291 |
| 1988 | 317 |
| 1989 | 315 |
| 1990 | 363 |
| 1991 | 395 |
| 1992 | 439 |
| 1993 | 450 |
| 1994 | 459 |
| 1995 | 443 |
| 1996 | 492 |
| 1997 | 465 |
| 1998 | 471 |
| 1999 | 423 |
| 2000 | 453 |
| 2001 | 473 |
| 2002 | 498 |
| 2003 | 520 |
| 2004 | 613 |
| 2005 | 627 |
| 2006 | 665 |
| 2007 | 730 |
| 2008 | 715 |
| 2009 | 760 |
| 2010 | 817 |
| 2011 | 906 |
| 2012 | 994 |
| 2013 | 1073 |
| 2014 | 1060 |
| 2015 | 1204 |
| 2016 | 1159 |
| 2017 | 1230 |
| 2018 | 1321 |
| 2019 | 1383 |
| 2020 | 1496 |
| 2021 | 1602 |
| 2022 | 1514 |
| 2023 | 1522 |
| 2024 | 590 |