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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1818 | 1 |
| 1822 | 1 |
| 1850 | 1 |
| 1851 | 2 |
| 1855 | 2 |
| 1857 | 1 |
| 1859 | 3 |
| 1868 | 1 |
| 1878 | 1 |
| 1880 | 1 |
| 1881 | 1 |
| 1882 | 2 |
| 1885 | 15 |
| 1886 | 9 |
| 1887 | 10 |
| 1888 | 16 |
| 1889 | 13 |
| 1890 | 13 |
| 1891 | 14 |
| 1892 | 12 |
| 1893 | 90 |
| 1894 | 168 |
| 1895 | 160 |
| 1896 | 206 |
| 1897 | 204 |
| 1898 | 215 |
| 1899 | 219 |
| 1900 | 156 |
| 1901 | 139 |
| 1902 | 174 |
| 1903 | 145 |
| 1904 | 92 |
| 1905 | 114 |
| 1906 | 126 |
| 1907 | 112 |
| 1908 | 108 |
| 1909 | 126 |
| 1910 | 148 |
| 1911 | 147 |
| 1912 | 156 |
| 1913 | 193 |
| 1914 | 210 |
| 1915 | 147 |
| 1916 | 180 |
| 1917 | 109 |
| 1918 | 72 |
| 1919 | 85 |
| 1920 | 1 |
| 1923 | 1 |
| 1925 | 2 |
| 1926 | 2 |
| 1927 | 3 |
| 1928 | 4 |
| 1929 | 1 |
| 1930 | 5 |
| 1931 | 1 |
| 1932 | 7 |
| 1933 | 7 |
| 1934 | 5 |
| 1935 | 9 |
| 1936 | 1 |
| 1937 | 3 |
| 1938 | 1 |
| 1939 | 4 |
| 1940 | 3 |
| 1941 | 4 |
| 1942 | 2 |
| 1943 | 5 |
| 1944 | 4 |
| 1945 | 9 |
| 1946 | 28 |
| 1947 | 23 |
| 1948 | 39 |
| 1949 | 20 |
| 1950 | 25 |
| 1951 | 26 |
| 1952 | 27 |
| 1953 | 20 |
| 1954 | 33 |
| 1955 | 23 |
| 1956 | 27 |
| 1957 | 31 |
| 1958 | 28 |
| 1959 | 23 |
| 1960 | 25 |
| 1961 | 28 |
| 1962 | 37 |
| 1963 | 46 |
| 1964 | 47 |
| 1965 | 52 |
| 1966 | 72 |
| 1967 | 60 |
| 1968 | 67 |
| 1969 | 67 |
| 1970 | 64 |
| 1971 | 86 |
| 1972 | 70 |
| 1973 | 82 |
| 1974 | 59 |
| 1975 | 85 |
| 1976 | 86 |
| 1977 | 91 |
| 1978 | 111 |
| 1979 | 126 |
| 1980 | 110 |
| 1981 | 129 |
| 1982 | 119 |
| 1983 | 136 |
| 1984 | 129 |
| 1985 | 123 |
| 1986 | 163 |
| 1987 | 298 |
| 1988 | 532 |
| 1989 | 524 |
| 1990 | 589 |
| 1991 | 638 |
| 1992 | 672 |
| 1993 | 677 |
| 1994 | 666 |
| 1995 | 682 |
| 1996 | 736 |
| 1997 | 718 |
| 1998 | 777 |
| 1999 | 843 |
| 2000 | 972 |
| 2001 | 992 |
| 2002 | 1023 |
| 2003 | 1110 |
| 2004 | 1298 |
| 2005 | 1353 |
| 2006 | 1558 |
| 2007 | 1659 |
| 2008 | 1866 |
| 2009 | 1912 |
| 2010 | 2126 |
| 2011 | 2319 |
| 2012 | 2422 |
| 2013 | 2829 |
| 2014 | 3867 |
| 2015 | 4577 |
| 2016 | 5115 |
| 2017 | 5373 |
| 2018 | 5590 |
| 2019 | 5821 |
| 2020 | 6723 |
| 2021 | 7465 |
| 2022 | 7276 |
| 2023 | 6978 |
| 2024 | 2565 |