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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1841 | 1 |
| 1845 | 1 |
| 1846 | 1 |
| 1847 | 3 |
| 1850 | 1 |
| 1852 | 2 |
| 1854 | 2 |
| 1856 | 2 |
| 1857 | 1 |
| 1860 | 1 |
| 1861 | 1 |
| 1862 | 1 |
| 1866 | 1 |
| 1870 | 1 |
| 1872 | 1 |
| 1882 | 1 |
| 1883 | 1 |
| 1885 | 7 |
| 1886 | 6 |
| 1887 | 2 |
| 1888 | 11 |
| 1889 | 12 |
| 1890 | 13 |
| 1891 | 8 |
| 1892 | 5 |
| 1893 | 13 |
| 1894 | 5 |
| 1895 | 3 |
| 1896 | 12 |
| 1897 | 8 |
| 1898 | 9 |
| 1899 | 7 |
| 1900 | 7 |
| 1901 | 5 |
| 1902 | 4 |
| 1903 | 7 |
| 1904 | 6 |
| 1905 | 5 |
| 1906 | 12 |
| 1907 | 5 |
| 1908 | 1 |
| 1909 | 6 |
| 1910 | 3 |
| 1911 | 4 |
| 1912 | 3 |
| 1913 | 5 |
| 1914 | 4 |
| 1915 | 7 |
| 1916 | 4 |
| 1917 | 4 |
| 1918 | 5 |
| 1919 | 1 |
| 1920 | 1 |
| 1921 | 5 |
| 1922 | 3 |
| 1923 | 3 |
| 1924 | 5 |
| 1925 | 7 |
| 1926 | 6 |
| 1927 | 8 |
| 1928 | 1 |
| 1929 | 3 |
| 1930 | 2 |
| 1931 | 4 |
| 1932 | 7 |
| 1933 | 6 |
| 1934 | 3 |
| 1935 | 3 |
| 1936 | 13 |
| 1937 | 22 |
| 1938 | 13 |
| 1939 | 13 |
| 1940 | 6 |
| 1941 | 5 |
| 1942 | 5 |
| 1943 | 3 |
| 1944 | 5 |
| 1945 | 11 |
| 1946 | 35 |
| 1947 | 54 |
| 1948 | 42 |
| 1949 | 28 |
| 1950 | 25 |
| 1951 | 42 |
| 1952 | 27 |
| 1953 | 27 |
| 1954 | 16 |
| 1955 | 20 |
| 1956 | 29 |
| 1957 | 31 |
| 1958 | 26 |
| 1959 | 22 |
| 1960 | 23 |
| 1961 | 32 |
| 1962 | 37 |
| 1963 | 46 |
| 1964 | 47 |
| 1965 | 45 |
| 1966 | 56 |
| 1967 | 55 |
| 1968 | 56 |
| 1969 | 58 |
| 1970 | 60 |
| 1971 | 66 |
| 1972 | 84 |
| 1973 | 70 |
| 1974 | 81 |
| 1975 | 92 |
| 1976 | 114 |
| 1977 | 109 |
| 1978 | 105 |
| 1979 | 91 |
| 1980 | 95 |
| 1981 | 86 |
| 1982 | 104 |
| 1983 | 105 |
| 1984 | 108 |
| 1985 | 107 |
| 1986 | 116 |
| 1987 | 103 |
| 1988 | 153 |
| 1989 | 156 |
| 1990 | 187 |
| 1991 | 165 |
| 1992 | 166 |
| 1993 | 155 |
| 1994 | 232 |
| 1995 | 349 |
| 1996 | 458 |
| 1997 | 521 |
| 1998 | 579 |
| 1999 | 507 |
| 2000 | 591 |
| 2001 | 610 |
| 2002 | 676 |
| 2003 | 710 |
| 2004 | 780 |
| 2005 | 862 |
| 2006 | 984 |
| 2007 | 1010 |
| 2008 | 982 |
| 2009 | 928 |
| 2010 | 940 |
| 2011 | 1034 |
| 2012 | 998 |
| 2013 | 1068 |
| 2014 | 1388 |
| 2015 | 1577 |
| 2016 | 1733 |
| 2017 | 1608 |
| 2018 | 1626 |
| 2019 | 1608 |
| 2020 | 1863 |
| 2021 | 2154 |
| 2022 | 2051 |
| 2023 | 1963 |
| 2024 | 774 |