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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1801 | 1 |
| 1827 | 1 |
| 1828 | 1 |
| 1829 | 6 |
| 1830 | 1 |
| 1831 | 1 |
| 1832 | 2 |
| 1840 | 1 |
| 1841 | 1 |
| 1842 | 1 |
| 1843 | 4 |
| 1844 | 2 |
| 1845 | 4 |
| 1846 | 2 |
| 1847 | 1 |
| 1848 | 2 |
| 1849 | 1 |
| 1851 | 2 |
| 1852 | 1 |
| 1853 | 3 |
| 1854 | 4 |
| 1855 | 3 |
| 1856 | 4 |
| 1857 | 4 |
| 1858 | 1 |
| 1859 | 2 |
| 1861 | 1 |
| 1863 | 9 |
| 1864 | 4 |
| 1865 | 1 |
| 1866 | 1 |
| 1867 | 4 |
| 1868 | 1 |
| 1869 | 2 |
| 1870 | 5 |
| 1871 | 1 |
| 1873 | 1 |
| 1874 | 5 |
| 1875 | 4 |
| 1877 | 1 |
| 1878 | 2 |
| 1879 | 3 |
| 1880 | 6 |
| 1881 | 6 |
| 1882 | 2 |
| 1883 | 4 |
| 1884 | 3 |
| 1885 | 4 |
| 1886 | 4 |
| 1887 | 3 |
| 1888 | 8 |
| 1889 | 7 |
| 1890 | 5 |
| 1891 | 4 |
| 1892 | 5 |
| 1893 | 4 |
| 1894 | 1 |
| 1895 | 1 |
| 1896 | 2 |
| 1899 | 4 |
| 1900 | 3 |
| 1901 | 6 |
| 1902 | 1 |
| 1904 | 6 |
| 1905 | 2 |
| 1906 | 3 |
| 1907 | 3 |
| 1908 | 5 |
| 1909 | 1 |
| 1910 | 5 |
| 1911 | 6 |
| 1912 | 1 |
| 1913 | 1 |
| 1914 | 2 |
| 1915 | 4 |
| 1916 | 7 |
| 1917 | 3 |
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 3 |
| 1921 | 3 |
| 1922 | 3 |
| 1923 | 4 |
| 1924 | 3 |
| 1925 | 1 |
| 1926 | 4 |
| 1928 | 3 |
| 1929 | 1 |
| 1930 | 3 |
| 1931 | 3 |
| 1932 | 3 |
| 1933 | 2 |
| 1934 | 6 |
| 1935 | 3 |
| 1936 | 5 |
| 1937 | 3 |
| 1938 | 5 |
| 1939 | 9 |
| 1940 | 3 |
| 1942 | 2 |
| 1943 | 3 |
| 1944 | 3 |
| 1945 | 14 |
| 1946 | 54 |
| 1947 | 40 |
| 1948 | 48 |
| 1949 | 46 |
| 1950 | 62 |
| 1951 | 84 |
| 1952 | 64 |
| 1953 | 60 |
| 1954 | 60 |
| 1955 | 59 |
| 1956 | 66 |
| 1957 | 78 |
| 1958 | 45 |
| 1959 | 75 |
| 1960 | 56 |
| 1961 | 51 |
| 1962 | 84 |
| 1963 | 106 |
| 1964 | 133 |
| 1965 | 118 |
| 1966 | 130 |
| 1967 | 163 |
| 1968 | 179 |
| 1969 | 198 |
| 1970 | 192 |
| 1971 | 195 |
| 1972 | 235 |
| 1973 | 316 |
| 1974 | 259 |
| 1975 | 273 |
| 1976 | 307 |
| 1977 | 278 |
| 1978 | 319 |
| 1979 | 326 |
| 1980 | 365 |
| 1981 | 369 |
| 1982 | 366 |
| 1983 | 387 |
| 1984 | 395 |
| 1985 | 372 |
| 1986 | 414 |
| 1987 | 454 |
| 1988 | 461 |
| 1989 | 496 |
| 1990 | 493 |
| 1991 | 567 |
| 1992 | 560 |
| 1993 | 582 |
| 1994 | 640 |
| 1995 | 691 |
| 1996 | 647 |
| 1997 | 642 |
| 1998 | 660 |
| 1999 | 730 |
| 2000 | 756 |
| 2001 | 739 |
| 2002 | 675 |
| 2003 | 725 |
| 2004 | 739 |
| 2005 | 871 |
| 2006 | 894 |
| 2007 | 912 |
| 2008 | 945 |
| 2009 | 1077 |
| 2010 | 1160 |
| 2011 | 1261 |
| 2012 | 1356 |
| 2013 | 1542 |
| 2014 | 1546 |
| 2015 | 1710 |
| 2016 | 1706 |
| 2017 | 1746 |
| 2018 | 1867 |
| 2019 | 1929 |
| 2020 | 2053 |
| 2021 | 2366 |
| 2022 | 2281 |
| 2023 | 2331 |
| 2024 | 1185 |