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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1808 | 1 |
| 1823 | 1 |
| 1835 | 1 |
| 1840 | 1 |
| 1845 | 1 |
| 1847 | 1 |
| 1849 | 1 |
| 1852 | 2 |
| 1853 | 2 |
| 1855 | 1 |
| 1856 | 3 |
| 1857 | 5 |
| 1858 | 1 |
| 1860 | 2 |
| 1861 | 1 |
| 1863 | 4 |
| 1864 | 1 |
| 1866 | 3 |
| 1869 | 3 |
| 1870 | 1 |
| 1871 | 5 |
| 1872 | 2 |
| 1873 | 3 |
| 1874 | 2 |
| 1875 | 1 |
| 1876 | 2 |
| 1877 | 1 |
| 1878 | 2 |
| 1879 | 1 |
| 1880 | 3 |
| 1881 | 9 |
| 1883 | 5 |
| 1884 | 6 |
| 1885 | 7 |
| 1886 | 2 |
| 1887 | 6 |
| 1888 | 7 |
| 1889 | 4 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 2 |
| 1893 | 1 |
| 1894 | 3 |
| 1895 | 6 |
| 1896 | 13 |
| 1897 | 5 |
| 1898 | 13 |
| 1899 | 11 |
| 1900 | 4 |
| 1901 | 1 |
| 1902 | 5 |
| 1903 | 3 |
| 1904 | 4 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 5 |
| 1910 | 4 |
| 1911 | 6 |
| 1912 | 3 |
| 1913 | 2 |
| 1914 | 2 |
| 1915 | 1 |
| 1916 | 5 |
| 1918 | 1 |
| 1919 | 4 |
| 1920 | 4 |
| 1921 | 1 |
| 1922 | 4 |
| 1923 | 3 |
| 1924 | 2 |
| 1925 | 2 |
| 1926 | 2 |
| 1927 | 5 |
| 1928 | 5 |
| 1929 | 4 |
| 1930 | 5 |
| 1931 | 4 |
| 1933 | 1 |
| 1934 | 3 |
| 1935 | 1 |
| 1936 | 2 |
| 1939 | 1 |
| 1940 | 2 |
| 1941 | 3 |
| 1942 | 3 |
| 1943 | 1 |
| 1945 | 10 |
| 1946 | 15 |
| 1947 | 30 |
| 1948 | 31 |
| 1949 | 26 |
| 1950 | 24 |
| 1951 | 30 |
| 1952 | 32 |
| 1953 | 32 |
| 1954 | 36 |
| 1955 | 42 |
| 1956 | 35 |
| 1957 | 31 |
| 1958 | 32 |
| 1959 | 43 |
| 1960 | 39 |
| 1961 | 37 |
| 1962 | 51 |
| 1963 | 44 |
| 1964 | 59 |
| 1965 | 75 |
| 1966 | 99 |
| 1967 | 75 |
| 1968 | 81 |
| 1969 | 112 |
| 1970 | 160 |
| 1971 | 113 |
| 1972 | 130 |
| 1973 | 152 |
| 1974 | 145 |
| 1975 | 128 |
| 1976 | 173 |
| 1977 | 138 |
| 1978 | 177 |
| 1979 | 171 |
| 1980 | 183 |
| 1981 | 184 |
| 1982 | 206 |
| 1983 | 236 |
| 1984 | 244 |
| 1985 | 282 |
| 1986 | 288 |
| 1987 | 321 |
| 1988 | 309 |
| 1989 | 312 |
| 1990 | 340 |
| 1991 | 357 |
| 1992 | 343 |
| 1993 | 334 |
| 1994 | 366 |
| 1995 | 348 |
| 1996 | 386 |
| 1997 | 354 |
| 1998 | 385 |
| 1999 | 404 |
| 2000 | 459 |
| 2001 | 466 |
| 2002 | 502 |
| 2003 | 543 |
| 2004 | 579 |
| 2005 | 608 |
| 2006 | 618 |
| 2007 | 633 |
| 2008 | 727 |
| 2009 | 738 |
| 2010 | 833 |
| 2011 | 946 |
| 2012 | 935 |
| 2013 | 1080 |
| 2014 | 1073 |
| 2015 | 1163 |
| 2016 | 1122 |
| 2017 | 1122 |
| 2018 | 1154 |
| 2019 | 1146 |
| 2020 | 1436 |
| 2021 | 1591 |
| 2022 | 1512 |
| 2023 | 1414 |
| 2024 | 495 |