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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1805 | 1 |
| 1816 | 4 |
| 1817 | 3 |
| 1833 | 1 |
| 1848 | 1 |
| 1850 | 1 |
| 1851 | 2 |
| 1852 | 4 |
| 1854 | 1 |
| 1856 | 11 |
| 1858 | 2 |
| 1859 | 1 |
| 1860 | 1 |
| 1861 | 1 |
| 1863 | 2 |
| 1864 | 3 |
| 1865 | 2 |
| 1866 | 7 |
| 1867 | 1 |
| 1868 | 1 |
| 1869 | 3 |
| 1870 | 2 |
| 1871 | 1 |
| 1872 | 1 |
| 1873 | 4 |
| 1874 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1877 | 5 |
| 1878 | 1 |
| 1880 | 3 |
| 1881 | 1 |
| 1882 | 3 |
| 1883 | 2 |
| 1884 | 4 |
| 1885 | 2 |
| 1886 | 4 |
| 1887 | 4 |
| 1888 | 2 |
| 1889 | 2 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 4 |
| 1893 | 9 |
| 1894 | 4 |
| 1895 | 3 |
| 1896 | 3 |
| 1897 | 5 |
| 1898 | 3 |
| 1899 | 5 |
| 1900 | 1 |
| 1901 | 2 |
| 1902 | 3 |
| 1903 | 4 |
| 1904 | 1 |
| 1905 | 2 |
| 1906 | 2 |
| 1908 | 3 |
| 1909 | 1 |
| 1910 | 7 |
| 1911 | 4 |
| 1912 | 3 |
| 1913 | 3 |
| 1914 | 1 |
| 1915 | 2 |
| 1916 | 3 |
| 1917 | 3 |
| 1918 | 2 |
| 1919 | 4 |
| 1920 | 4 |
| 1921 | 6 |
| 1922 | 7 |
| 1923 | 2 |
| 1924 | 4 |
| 1925 | 9 |
| 1926 | 8 |
| 1927 | 3 |
| 1928 | 10 |
| 1929 | 9 |
| 1930 | 2 |
| 1931 | 2 |
| 1932 | 4 |
| 1933 | 7 |
| 1934 | 8 |
| 1935 | 3 |
| 1936 | 5 |
| 1937 | 3 |
| 1938 | 4 |
| 1939 | 4 |
| 1940 | 6 |
| 1941 | 3 |
| 1942 | 8 |
| 1943 | 4 |
| 1944 | 3 |
| 1945 | 13 |
| 1946 | 59 |
| 1947 | 56 |
| 1948 | 79 |
| 1949 | 74 |
| 1950 | 74 |
| 1951 | 72 |
| 1952 | 69 |
| 1953 | 96 |
| 1954 | 75 |
| 1955 | 68 |
| 1956 | 60 |
| 1957 | 77 |
| 1958 | 70 |
| 1959 | 57 |
| 1960 | 71 |
| 1961 | 77 |
| 1962 | 57 |
| 1963 | 76 |
| 1964 | 114 |
| 1965 | 97 |
| 1966 | 102 |
| 1967 | 102 |
| 1968 | 130 |
| 1969 | 133 |
| 1970 | 137 |
| 1971 | 135 |
| 1972 | 129 |
| 1973 | 151 |
| 1974 | 186 |
| 1975 | 173 |
| 1976 | 201 |
| 1977 | 185 |
| 1978 | 215 |
| 1979 | 194 |
| 1980 | 203 |
| 1981 | 229 |
| 1982 | 219 |
| 1983 | 244 |
| 1984 | 241 |
| 1985 | 300 |
| 1986 | 254 |
| 1987 | 315 |
| 1988 | 361 |
| 1989 | 437 |
| 1990 | 440 |
| 1991 | 477 |
| 1992 | 438 |
| 1993 | 460 |
| 1994 | 470 |
| 1995 | 517 |
| 1996 | 522 |
| 1997 | 541 |
| 1998 | 538 |
| 1999 | 608 |
| 2000 | 612 |
| 2001 | 614 |
| 2002 | 608 |
| 2003 | 680 |
| 2004 | 718 |
| 2005 | 768 |
| 2006 | 822 |
| 2007 | 865 |
| 2008 | 1008 |
| 2009 | 1038 |
| 2010 | 1222 |
| 2011 | 1330 |
| 2012 | 1391 |
| 2013 | 1534 |
| 2014 | 1643 |
| 2015 | 1706 |
| 2016 | 1682 |
| 2017 | 1753 |
| 2018 | 1847 |
| 2019 | 1919 |
| 2020 | 2076 |
| 2021 | 2416 |
| 2022 | 2211 |
| 2023 | 2118 |
| 2024 | 2118 |
| 2025 | 43 |