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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1806 | 2 |
| 1807 | 2 |
| 1808 | 1 |
| 1810 | 1 |
| 1811 | 1 |
| 1812 | 1 |
| 1813 | 1 |
| 1815 | 1 |
| 1817 | 1 |
| 1821 | 1 |
| 1826 | 1 |
| 1829 | 1 |
| 1830 | 1 |
| 1832 | 3 |
| 1838 | 3 |
| 1839 | 1 |
| 1840 | 1 |
| 1841 | 1 |
| 1842 | 1 |
| 1845 | 3 |
| 1846 | 2 |
| 1847 | 1 |
| 1848 | 2 |
| 1849 | 1 |
| 1850 | 2 |
| 1851 | 5 |
| 1852 | 3 |
| 1853 | 1 |
| 1854 | 3 |
| 1855 | 5 |
| 1856 | 3 |
| 1857 | 3 |
| 1859 | 1 |
| 1860 | 4 |
| 1861 | 2 |
| 1863 | 2 |
| 1864 | 3 |
| 1865 | 1 |
| 1866 | 3 |
| 1867 | 4 |
| 1868 | 1 |
| 1869 | 2 |
| 1870 | 2 |
| 1871 | 2 |
| 1872 | 2 |
| 1873 | 4 |
| 1875 | 3 |
| 1876 | 1 |
| 1877 | 4 |
| 1878 | 1 |
| 1879 | 3 |
| 1880 | 3 |
| 1881 | 7 |
| 1882 | 9 |
| 1883 | 7 |
| 1884 | 6 |
| 1885 | 4 |
| 1886 | 3 |
| 1887 | 7 |
| 1888 | 7 |
| 1889 | 10 |
| 1890 | 4 |
| 1891 | 4 |
| 1892 | 5 |
| 1893 | 7 |
| 1894 | 2 |
| 1895 | 7 |
| 1896 | 7 |
| 1897 | 5 |
| 1898 | 6 |
| 1899 | 6 |
| 1900 | 4 |
| 1901 | 4 |
| 1902 | 3 |
| 1903 | 6 |
| 1904 | 6 |
| 1905 | 9 |
| 1906 | 6 |
| 1907 | 9 |
| 1908 | 11 |
| 1909 | 19 |
| 1910 | 12 |
| 1911 | 17 |
| 1912 | 13 |
| 1913 | 17 |
| 1914 | 10 |
| 1915 | 19 |
| 1916 | 17 |
| 1917 | 17 |
| 1918 | 15 |
| 1919 | 16 |
| 1920 | 30 |
| 1921 | 14 |
| 1922 | 13 |
| 1923 | 18 |
| 1924 | 17 |
| 1925 | 15 |
| 1926 | 24 |
| 1927 | 31 |
| 1928 | 34 |
| 1929 | 23 |
| 1930 | 28 |
| 1931 | 28 |
| 1932 | 27 |
| 1933 | 21 |
| 1934 | 21 |
| 1935 | 26 |
| 1936 | 16 |
| 1937 | 20 |
| 1938 | 16 |
| 1939 | 13 |
| 1940 | 10 |
| 1941 | 12 |
| 1942 | 10 |
| 1943 | 6 |
| 1944 | 6 |
| 1945 | 70 |
| 1946 | 176 |
| 1947 | 207 |
| 1948 | 208 |
| 1949 | 191 |
| 1950 | 230 |
| 1951 | 316 |
| 1952 | 300 |
| 1953 | 275 |
| 1954 | 275 |
| 1955 | 263 |
| 1956 | 300 |
| 1957 | 321 |
| 1958 | 295 |
| 1959 | 326 |
| 1960 | 339 |
| 1961 | 388 |
| 1962 | 474 |
| 1963 | 682 |
| 1964 | 697 |
| 1965 | 674 |
| 1966 | 663 |
| 1967 | 655 |
| 1968 | 828 |
| 1969 | 861 |
| 1970 | 897 |
| 1971 | 1070 |
| 1972 | 1189 |
| 1973 | 1210 |
| 1974 | 1363 |
| 1975 | 3499 |
| 1976 | 3736 |
| 1977 | 3692 |
| 1978 | 3660 |
| 1979 | 4593 |
| 1980 | 5717 |
| 1981 | 6001 |
| 1982 | 6231 |
| 1983 | 7280 |
| 1984 | 7913 |
| 1985 | 8368 |
| 1986 | 8536 |
| 1987 | 8949 |
| 1988 | 9428 |
| 1989 | 11404 |
| 1990 | 11739 |
| 1991 | 11947 |
| 1992 | 12831 |
| 1993 | 14391 |
| 1994 | 14994 |
| 1995 | 15650 |
| 1996 | 16250 |
| 1997 | 16535 |
| 1998 | 17763 |
| 1999 | 18921 |
| 2000 | 20506 |
| 2001 | 21353 |
| 2002 | 22335 |
| 2003 | 24397 |
| 2004 | 26297 |
| 2005 | 29084 |
| 2006 | 31508 |
| 2007 | 33526 |
| 2008 | 36371 |
| 2009 | 38308 |
| 2010 | 41300 |
| 2011 | 45116 |
| 2012 | 49040 |
| 2013 | 51922 |
| 2014 | 55308 |
| 2015 | 58368 |
| 2016 | 60837 |
| 2017 | 63072 |
| 2018 | 67224 |
| 2019 | 72255 |
| 2020 | 83661 |
| 2021 | 92631 |
| 2022 | 91102 |
| 2023 | 87727 |
| 2024 | 41517 |
| 2025 | 3 |