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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1817 | 1 |
| 1842 | 2 |
| 1847 | 2 |
| 1855 | 1 |
| 1857 | 2 |
| 1858 | 2 |
| 1859 | 1 |
| 1860 | 1 |
| 1861 | 2 |
| 1862 | 2 |
| 1863 | 1 |
| 1865 | 1 |
| 1866 | 1 |
| 1869 | 1 |
| 1870 | 1 |
| 1872 | 1 |
| 1873 | 2 |
| 1874 | 1 |
| 1875 | 1 |
| 1876 | 2 |
| 1877 | 1 |
| 1878 | 3 |
| 1879 | 3 |
| 1880 | 1 |
| 1882 | 3 |
| 1883 | 1 |
| 1884 | 3 |
| 1885 | 1 |
| 1886 | 1 |
| 1887 | 1 |
| 1888 | 3 |
| 1889 | 3 |
| 1891 | 3 |
| 1894 | 1 |
| 1895 | 2 |
| 1897 | 5 |
| 1898 | 3 |
| 1899 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1903 | 3 |
| 1904 | 2 |
| 1905 | 4 |
| 1906 | 1 |
| 1908 | 3 |
| 1910 | 1 |
| 1911 | 1 |
| 1913 | 2 |
| 1914 | 1 |
| 1915 | 4 |
| 1916 | 3 |
| 1917 | 2 |
| 1918 | 2 |
| 1919 | 2 |
| 1921 | 2 |
| 1922 | 4 |
| 1923 | 2 |
| 1924 | 2 |
| 1925 | 2 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 3 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 2 |
| 1935 | 1 |
| 1937 | 4 |
| 1938 | 4 |
| 1939 | 2 |
| 1940 | 2 |
| 1941 | 1 |
| 1942 | 1 |
| 1944 | 5 |
| 1945 | 58 |
| 1946 | 208 |
| 1947 | 213 |
| 1948 | 215 |
| 1949 | 204 |
| 1950 | 292 |
| 1951 | 391 |
| 1952 | 342 |
| 1953 | 439 |
| 1954 | 401 |
| 1955 | 425 |
| 1956 | 401 |
| 1957 | 390 |
| 1958 | 418 |
| 1959 | 275 |
| 1960 | 182 |
| 1961 | 229 |
| 1962 | 258 |
| 1963 | 398 |
| 1964 | 560 |
| 1965 | 493 |
| 1966 | 418 |
| 1967 | 536 |
| 1968 | 601 |
| 1969 | 639 |
| 1970 | 534 |
| 1971 | 560 |
| 1972 | 531 |
| 1973 | 492 |
| 1974 | 499 |
| 1975 | 525 |
| 1976 | 535 |
| 1977 | 501 |
| 1978 | 598 |
| 1979 | 624 |
| 1980 | 498 |
| 1981 | 512 |
| 1982 | 536 |
| 1983 | 555 |
| 1984 | 549 |
| 1985 | 660 |
| 1986 | 657 |
| 1987 | 676 |
| 1988 | 684 |
| 1989 | 698 |
| 1990 | 741 |
| 1991 | 813 |
| 1992 | 805 |
| 1993 | 898 |
| 1994 | 857 |
| 1995 | 957 |
| 1996 | 955 |
| 1997 | 965 |
| 1998 | 1093 |
| 1999 | 1149 |
| 2000 | 1223 |
| 2001 | 1276 |
| 2002 | 1355 |
| 2003 | 1434 |
| 2004 | 1589 |
| 2005 | 1787 |
| 2006 | 2001 |
| 2007 | 2014 |
| 2008 | 2285 |
| 2009 | 2300 |
| 2010 | 2427 |
| 2011 | 2686 |
| 2012 | 2803 |
| 2013 | 2856 |
| 2014 | 3140 |
| 2015 | 3317 |
| 2016 | 3559 |
| 2017 | 3706 |
| 2018 | 4058 |
| 2019 | 4336 |
| 2020 | 5070 |
| 2021 | 5625 |
| 2022 | 5691 |
| 2023 | 5356 |
| 2024 | 2040 |