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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1800 | 1 |
| 1803 | 1 |
| 1808 | 4 |
| 1809 | 1 |
| 1810 | 1 |
| 1815 | 1 |
| 1816 | 1 |
| 1817 | 1 |
| 1818 | 3 |
| 1819 | 2 |
| 1820 | 3 |
| 1821 | 5 |
| 1822 | 5 |
| 1823 | 4 |
| 1824 | 5 |
| 1825 | 4 |
| 1826 | 3 |
| 1828 | 4 |
| 1829 | 3 |
| 1830 | 4 |
| 1831 | 6 |
| 1832 | 1 |
| 1833 | 2 |
| 1834 | 4 |
| 1835 | 5 |
| 1836 | 8 |
| 1837 | 12 |
| 1838 | 18 |
| 1839 | 25 |
| 1840 | 12 |
| 1841 | 28 |
| 1842 | 29 |
| 1843 | 19 |
| 1844 | 19 |
| 1845 | 15 |
| 1846 | 27 |
| 1847 | 12 |
| 1848 | 14 |
| 1849 | 19 |
| 1850 | 22 |
| 1851 | 16 |
| 1852 | 21 |
| 1853 | 34 |
| 1854 | 16 |
| 1855 | 15 |
| 1856 | 22 |
| 1857 | 23 |
| 1858 | 26 |
| 1859 | 34 |
| 1860 | 37 |
| 1861 | 19 |
| 1862 | 14 |
| 1863 | 10 |
| 1864 | 20 |
| 1865 | 16 |
| 1866 | 12 |
| 1867 | 21 |
| 1868 | 31 |
| 1869 | 25 |
| 1870 | 22 |
| 1871 | 13 |
| 1872 | 21 |
| 1873 | 27 |
| 1874 | 19 |
| 1875 | 13 |
| 1876 | 20 |
| 1877 | 23 |
| 1878 | 18 |
| 1879 | 16 |
| 1880 | 8 |
| 1881 | 10 |
| 1882 | 9 |
| 1883 | 22 |
| 1884 | 16 |
| 1885 | 6 |
| 1886 | 10 |
| 1887 | 15 |
| 1888 | 17 |
| 1889 | 19 |
| 1890 | 10 |
| 1891 | 13 |
| 1892 | 6 |
| 1893 | 20 |
| 1894 | 12 |
| 1895 | 20 |
| 1896 | 24 |
| 1897 | 26 |
| 1898 | 10 |
| 1899 | 16 |
| 1900 | 6 |
| 1901 | 15 |
| 1902 | 9 |
| 1903 | 11 |
| 1904 | 6 |
| 1905 | 14 |
| 1906 | 15 |
| 1907 | 17 |
| 1908 | 10 |
| 1909 | 28 |
| 1910 | 16 |
| 1911 | 30 |
| 1912 | 24 |
| 1913 | 36 |
| 1914 | 16 |
| 1915 | 19 |
| 1916 | 26 |
| 1917 | 23 |
| 1918 | 22 |
| 1919 | 25 |
| 1920 | 32 |
| 1921 | 44 |
| 1922 | 44 |
| 1923 | 47 |
| 1924 | 49 |
| 1925 | 55 |
| 1926 | 81 |
| 1927 | 82 |
| 1928 | 66 |
| 1929 | 68 |
| 1930 | 64 |
| 1931 | 62 |
| 1932 | 85 |
| 1933 | 88 |
| 1934 | 86 |
| 1935 | 81 |
| 1936 | 69 |
| 1937 | 49 |
| 1938 | 71 |
| 1939 | 64 |
| 1940 | 43 |
| 1941 | 44 |
| 1942 | 41 |
| 1943 | 45 |
| 1944 | 38 |
| 1945 | 761 |
| 1946 | 2656 |
| 1947 | 2843 |
| 1948 | 2709 |
| 1949 | 1793 |
| 1950 | 635 |
| 1951 | 3839 |
| 1952 | 8147 |
| 1953 | 10849 |
| 1954 | 12767 |
| 1955 | 14755 |
| 1956 | 15164 |
| 1957 | 16704 |
| 1958 | 17524 |
| 1959 | 18096 |
| 1960 | 18719 |
| 1961 | 21353 |
| 1962 | 15836 |
| 1963 | 8016 |
| 1964 | 16860 |
| 1965 | 28510 |
| 1966 | 44091 |
| 1967 | 55759 |
| 1968 | 64201 |
| 1969 | 70298 |
| 1970 | 74192 |
| 1971 | 80040 |
| 1972 | 86503 |
| 1973 | 92185 |
| 1974 | 98414 |
| 1975 | 101843 |
| 1976 | 102137 |
| 1977 | 105762 |
| 1978 | 110372 |
| 1979 | 116984 |
| 1980 | 120832 |
| 1981 | 123516 |
| 1982 | 129931 |
| 1983 | 135958 |
| 1984 | 142766 |
| 1985 | 149216 |
| 1986 | 154140 |
| 1987 | 161060 |
| 1988 | 170022 |
| 1989 | 180766 |
| 1990 | 192329 |
| 1991 | 195700 |
| 1992 | 199086 |
| 1993 | 203777 |
| 1994 | 210159 |
| 1995 | 216447 |
| 1996 | 220399 |
| 1997 | 224000 |
| 1998 | 233468 |
| 1999 | 239810 |
| 2000 | 256084 |
| 2001 | 266456 |
| 2002 | 278420 |
| 2003 | 295241 |
| 2004 | 313300 |
| 2005 | 341903 |
| 2006 | 364023 |
| 2007 | 382215 |
| 2008 | 398857 |
| 2009 | 416121 |
| 2010 | 442523 |
| 2011 | 471706 |
| 2012 | 491348 |
| 2013 | 510799 |
| 2014 | 517599 |
| 2015 | 519887 |
| 2016 | 502529 |
| 2017 | 495120 |
| 2018 | 502152 |
| 2019 | 506658 |
| 2020 | 480958 |
| 2021 | 420773 |
| 2022 | 354649 |
| 2023 | 311852 |
| 2024 | 105268 |