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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1806 | 1 |
| 1813 | 1 |
| 1814 | 1 |
| 1818 | 1 |
| 1822 | 1 |
| 1825 | 1 |
| 1830 | 1 |
| 1832 | 1 |
| 1838 | 1 |
| 1840 | 1 |
| 1841 | 2 |
| 1842 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1845 | 3 |
| 1846 | 3 |
| 1847 | 1 |
| 1848 | 1 |
| 1850 | 1 |
| 1852 | 1 |
| 1853 | 2 |
| 1854 | 1 |
| 1855 | 4 |
| 1857 | 2 |
| 1858 | 2 |
| 1859 | 1 |
| 1860 | 1 |
| 1861 | 3 |
| 1863 | 1 |
| 1864 | 3 |
| 1865 | 1 |
| 1866 | 1 |
| 1867 | 2 |
| 1868 | 2 |
| 1869 | 2 |
| 1870 | 1 |
| 1872 | 2 |
| 1873 | 4 |
| 1874 | 3 |
| 1875 | 2 |
| 1876 | 2 |
| 1877 | 1 |
| 1878 | 10 |
| 1879 | 2 |
| 1880 | 3 |
| 1881 | 4 |
| 1882 | 2 |
| 1883 | 3 |
| 1884 | 5 |
| 1885 | 2 |
| 1886 | 3 |
| 1887 | 1 |
| 1888 | 1 |
| 1889 | 4 |
| 1890 | 2 |
| 1891 | 1 |
| 1892 | 1 |
| 1893 | 3 |
| 1894 | 1 |
| 1895 | 1 |
| 1896 | 3 |
| 1897 | 1 |
| 1898 | 2 |
| 1899 | 2 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1905 | 3 |
| 1906 | 1 |
| 1907 | 1 |
| 1908 | 2 |
| 1909 | 2 |
| 1910 | 4 |
| 1911 | 15 |
| 1912 | 14 |
| 1913 | 4 |
| 1914 | 8 |
| 1915 | 9 |
| 1916 | 3 |
| 1917 | 7 |
| 1918 | 8 |
| 1919 | 5 |
| 1920 | 14 |
| 1921 | 5 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 4 |
| 1925 | 4 |
| 1926 | 1 |
| 1927 | 4 |
| 1928 | 2 |
| 1929 | 6 |
| 1930 | 11 |
| 1931 | 2 |
| 1932 | 3 |
| 1933 | 1 |
| 1934 | 5 |
| 1935 | 7 |
| 1936 | 7 |
| 1937 | 6 |
| 1938 | 3 |
| 1939 | 2 |
| 1940 | 3 |
| 1941 | 2 |
| 1942 | 5 |
| 1943 | 4 |
| 1944 | 2 |
| 1945 | 32 |
| 1946 | 105 |
| 1947 | 87 |
| 1948 | 123 |
| 1949 | 99 |
| 1950 | 170 |
| 1951 | 107 |
| 1952 | 111 |
| 1953 | 116 |
| 1954 | 157 |
| 1955 | 175 |
| 1956 | 145 |
| 1957 | 138 |
| 1958 | 129 |
| 1959 | 159 |
| 1960 | 155 |
| 1961 | 174 |
| 1962 | 209 |
| 1963 | 220 |
| 1964 | 228 |
| 1965 | 286 |
| 1966 | 310 |
| 1967 | 385 |
| 1968 | 501 |
| 1969 | 537 |
| 1970 | 532 |
| 1971 | 581 |
| 1972 | 640 |
| 1973 | 636 |
| 1974 | 747 |
| 1975 | 1503 |
| 1976 | 1535 |
| 1977 | 1580 |
| 1978 | 1591 |
| 1979 | 1854 |
| 1980 | 1917 |
| 1981 | 1955 |
| 1982 | 2036 |
| 1983 | 2357 |
| 1984 | 2465 |
| 1985 | 2484 |
| 1986 | 2558 |
| 1987 | 2594 |
| 1988 | 2889 |
| 1989 | 3385 |
| 1990 | 3390 |
| 1991 | 3479 |
| 1992 | 3635 |
| 1993 | 3917 |
| 1994 | 4487 |
| 1995 | 3862 |
| 1996 | 3826 |
| 1997 | 4125 |
| 1998 | 4195 |
| 1999 | 4274 |
| 2000 | 4522 |
| 2001 | 4395 |
| 2002 | 4526 |
| 2003 | 4879 |
| 2004 | 5301 |
| 2005 | 5869 |
| 2006 | 7267 |
| 2007 | 7052 |
| 2008 | 7494 |
| 2009 | 7875 |
| 2010 | 8789 |
| 2011 | 9475 |
| 2012 | 10239 |
| 2013 | 10922 |
| 2014 | 11583 |
| 2015 | 12454 |
| 2016 | 12918 |
| 2017 | 13444 |
| 2018 | 14279 |
| 2019 | 15252 |
| 2020 | 17426 |
| 2021 | 19114 |
| 2022 | 18828 |
| 2023 | 17398 |
| 2024 | 7775 |