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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1824 | 1 |
| 1830 | 1 |
| 1832 | 1 |
| 1833 | 2 |
| 1834 | 1 |
| 1835 | 2 |
| 1837 | 2 |
| 1839 | 1 |
| 1840 | 1 |
| 1841 | 1 |
| 1842 | 5 |
| 1843 | 2 |
| 1844 | 4 |
| 1845 | 1 |
| 1846 | 3 |
| 1849 | 4 |
| 1850 | 3 |
| 1852 | 3 |
| 1853 | 4 |
| 1855 | 2 |
| 1856 | 1 |
| 1857 | 3 |
| 1858 | 3 |
| 1859 | 2 |
| 1861 | 9 |
| 1862 | 1 |
| 1863 | 2 |
| 1864 | 2 |
| 1865 | 3 |
| 1866 | 7 |
| 1867 | 2 |
| 1868 | 7 |
| 1869 | 4 |
| 1870 | 4 |
| 1871 | 17 |
| 1872 | 14 |
| 1873 | 23 |
| 1874 | 19 |
| 1875 | 14 |
| 1876 | 20 |
| 1877 | 22 |
| 1878 | 19 |
| 1879 | 14 |
| 1880 | 19 |
| 1881 | 21 |
| 1882 | 13 |
| 1883 | 16 |
| 1884 | 16 |
| 1885 | 15 |
| 1886 | 15 |
| 1887 | 30 |
| 1888 | 11 |
| 1889 | 13 |
| 1890 | 5 |
| 1891 | 12 |
| 1892 | 5 |
| 1893 | 12 |
| 1894 | 10 |
| 1895 | 8 |
| 1896 | 4 |
| 1897 | 9 |
| 1898 | 10 |
| 1899 | 4 |
| 1900 | 3 |
| 1901 | 5 |
| 1902 | 11 |
| 1903 | 8 |
| 1904 | 10 |
| 1905 | 8 |
| 1906 | 14 |
| 1907 | 14 |
| 1908 | 9 |
| 1909 | 20 |
| 1910 | 6 |
| 1911 | 5 |
| 1912 | 7 |
| 1913 | 6 |
| 1914 | 22 |
| 1915 | 9 |
| 1916 | 8 |
| 1917 | 14 |
| 1918 | 7 |
| 1919 | 9 |
| 1920 | 40 |
| 1921 | 8 |
| 1922 | 13 |
| 1923 | 11 |
| 1924 | 9 |
| 1925 | 4 |
| 1926 | 12 |
| 1927 | 17 |
| 1928 | 17 |
| 1929 | 22 |
| 1930 | 12 |
| 1931 | 12 |
| 1932 | 23 |
| 1933 | 13 |
| 1934 | 19 |
| 1935 | 14 |
| 1936 | 21 |
| 1937 | 9 |
| 1938 | 14 |
| 1939 | 16 |
| 1940 | 13 |
| 1941 | 10 |
| 1942 | 10 |
| 1943 | 5 |
| 1944 | 24 |
| 1945 | 214 |
| 1946 | 809 |
| 1947 | 849 |
| 1948 | 1041 |
| 1949 | 815 |
| 1950 | 847 |
| 1951 | 4247 |
| 1952 | 8605 |
| 1953 | 10103 |
| 1954 | 10048 |
| 1955 | 10339 |
| 1956 | 9907 |
| 1957 | 9843 |
| 1958 | 9260 |
| 1959 | 4595 |
| 1960 | 934 |
| 1961 | 976 |
| 1962 | 1073 |
| 1963 | 1595 |
| 1964 | 2952 |
| 1965 | 12562 |
| 1966 | 20209 |
| 1967 | 23466 |
| 1968 | 26262 |
| 1969 | 29124 |
| 1970 | 30387 |
| 1971 | 32665 |
| 1972 | 34337 |
| 1973 | 36950 |
| 1974 | 37971 |
| 1975 | 36744 |
| 1976 | 37152 |
| 1977 | 38315 |
| 1978 | 39960 |
| 1979 | 42270 |
| 1980 | 41383 |
| 1981 | 42808 |
| 1982 | 46719 |
| 1983 | 50184 |
| 1984 | 52410 |
| 1985 | 53925 |
| 1986 | 55662 |
| 1987 | 57876 |
| 1988 | 60705 |
| 1989 | 66746 |
| 1990 | 70142 |
| 1991 | 69683 |
| 1992 | 70719 |
| 1993 | 72625 |
| 1994 | 74685 |
| 1995 | 77132 |
| 1996 | 79951 |
| 1997 | 83422 |
| 1998 | 88515 |
| 1999 | 91729 |
| 2000 | 97543 |
| 2001 | 104155 |
| 2002 | 112760 |
| 2003 | 122693 |
| 2004 | 128964 |
| 2005 | 139751 |
| 2006 | 150220 |
| 2007 | 158536 |
| 2008 | 168190 |
| 2009 | 177930 |
| 2010 | 191196 |
| 2011 | 205173 |
| 2012 | 217070 |
| 2013 | 227937 |
| 2014 | 237565 |
| 2015 | 242594 |
| 2016 | 240093 |
| 2017 | 244201 |
| 2018 | 252088 |
| 2019 | 258201 |
| 2020 | 281186 |
| 2021 | 284294 |
| 2022 | 273112 |
| 2023 | 249930 |
| 2024 | 84809 |