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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1798 | 1 |
| 1799 | 1 |
| 1800 | 1 |
| 1805 | 1 |
| 1823 | 1 |
| 1834 | 1 |
| 1845 | 1 |
| 1848 | 1 |
| 1855 | 2 |
| 1857 | 1 |
| 1860 | 1 |
| 1862 | 1 |
| 1865 | 1 |
| 1866 | 3 |
| 1867 | 1 |
| 1868 | 2 |
| 1869 | 1 |
| 1870 | 1 |
| 1872 | 3 |
| 1873 | 5 |
| 1874 | 2 |
| 1875 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1878 | 5 |
| 1879 | 1 |
| 1880 | 5 |
| 1881 | 2 |
| 1882 | 1 |
| 1883 | 8 |
| 1884 | 1 |
| 1885 | 4 |
| 1887 | 1 |
| 1888 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 6 |
| 1892 | 5 |
| 1893 | 6 |
| 1894 | 3 |
| 1895 | 1 |
| 1896 | 9 |
| 1897 | 9 |
| 1898 | 8 |
| 1899 | 6 |
| 1900 | 4 |
| 1901 | 4 |
| 1902 | 5 |
| 1903 | 6 |
| 1904 | 2 |
| 1905 | 4 |
| 1906 | 5 |
| 1907 | 1 |
| 1908 | 4 |
| 1909 | 9 |
| 1910 | 4 |
| 1911 | 4 |
| 1912 | 7 |
| 1913 | 6 |
| 1914 | 5 |
| 1915 | 4 |
| 1916 | 4 |
| 1918 | 4 |
| 1919 | 2 |
| 1920 | 2 |
| 1921 | 6 |
| 1922 | 5 |
| 1923 | 7 |
| 1924 | 6 |
| 1925 | 8 |
| 1926 | 4 |
| 1927 | 11 |
| 1928 | 5 |
| 1929 | 7 |
| 1930 | 9 |
| 1931 | 9 |
| 1932 | 7 |
| 1933 | 2 |
| 1934 | 3 |
| 1935 | 5 |
| 1936 | 8 |
| 1937 | 5 |
| 1938 | 10 |
| 1939 | 12 |
| 1940 | 13 |
| 1941 | 7 |
| 1942 | 6 |
| 1943 | 5 |
| 1944 | 9 |
| 1945 | 21 |
| 1946 | 49 |
| 1947 | 78 |
| 1948 | 76 |
| 1949 | 73 |
| 1950 | 91 |
| 1951 | 115 |
| 1952 | 93 |
| 1953 | 102 |
| 1954 | 103 |
| 1955 | 105 |
| 1956 | 107 |
| 1957 | 115 |
| 1958 | 113 |
| 1959 | 123 |
| 1960 | 121 |
| 1961 | 126 |
| 1962 | 148 |
| 1963 | 165 |
| 1964 | 209 |
| 1965 | 211 |
| 1966 | 210 |
| 1967 | 229 |
| 1968 | 232 |
| 1969 | 253 |
| 1970 | 253 |
| 1971 | 260 |
| 1972 | 286 |
| 1973 | 315 |
| 1974 | 246 |
| 1975 | 302 |
| 1976 | 266 |
| 1977 | 312 |
| 1978 | 332 |
| 1979 | 383 |
| 1980 | 364 |
| 1981 | 380 |
| 1982 | 418 |
| 1983 | 411 |
| 1984 | 429 |
| 1985 | 493 |
| 1986 | 468 |
| 1987 | 494 |
| 1988 | 522 |
| 1989 | 546 |
| 1990 | 563 |
| 1991 | 592 |
| 1992 | 618 |
| 1993 | 644 |
| 1994 | 688 |
| 1995 | 705 |
| 1996 | 742 |
| 1997 | 706 |
| 1998 | 793 |
| 1999 | 816 |
| 2000 | 835 |
| 2001 | 795 |
| 2002 | 789 |
| 2003 | 845 |
| 2004 | 937 |
| 2005 | 1004 |
| 2006 | 1093 |
| 2007 | 1118 |
| 2008 | 1182 |
| 2009 | 1249 |
| 2010 | 1342 |
| 2011 | 1440 |
| 2012 | 1470 |
| 2013 | 1536 |
| 2014 | 1680 |
| 2015 | 1720 |
| 2016 | 1736 |
| 2017 | 1751 |
| 2018 | 1816 |
| 2019 | 1793 |
| 2020 | 2071 |
| 2021 | 2250 |
| 2022 | 2024 |
| 2023 | 2060 |
| 2024 | 704 |