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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1817 | 1 |
| 1831 | 1 |
| 1834 | 1 |
| 1842 | 2 |
| 1845 | 2 |
| 1846 | 1 |
| 1847 | 1 |
| 1849 | 1 |
| 1852 | 1 |
| 1853 | 2 |
| 1857 | 1 |
| 1858 | 1 |
| 1860 | 4 |
| 1861 | 1 |
| 1867 | 2 |
| 1874 | 1 |
| 1876 | 3 |
| 1878 | 1 |
| 1879 | 1 |
| 1882 | 1 |
| 1886 | 4 |
| 1888 | 1 |
| 1889 | 4 |
| 1890 | 1 |
| 1891 | 7 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 2 |
| 1895 | 2 |
| 1896 | 3 |
| 1897 | 6 |
| 1898 | 1 |
| 1899 | 4 |
| 1900 | 6 |
| 1901 | 4 |
| 1903 | 1 |
| 1904 | 2 |
| 1905 | 2 |
| 1906 | 2 |
| 1907 | 6 |
| 1908 | 1 |
| 1909 | 6 |
| 1910 | 5 |
| 1911 | 6 |
| 1912 | 2 |
| 1913 | 5 |
| 1914 | 2 |
| 1915 | 1 |
| 1916 | 3 |
| 1917 | 3 |
| 1918 | 1 |
| 1919 | 2 |
| 1920 | 5 |
| 1921 | 3 |
| 1922 | 2 |
| 1923 | 1 |
| 1925 | 2 |
| 1926 | 1 |
| 1927 | 3 |
| 1928 | 5 |
| 1929 | 1 |
| 1930 | 2 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 4 |
| 1935 | 4 |
| 1936 | 6 |
| 1937 | 2 |
| 1939 | 2 |
| 1941 | 1 |
| 1942 | 5 |
| 1943 | 4 |
| 1944 | 7 |
| 1945 | 11 |
| 1946 | 26 |
| 1947 | 34 |
| 1948 | 34 |
| 1949 | 42 |
| 1950 | 39 |
| 1951 | 58 |
| 1952 | 64 |
| 1953 | 64 |
| 1954 | 59 |
| 1955 | 51 |
| 1956 | 48 |
| 1957 | 44 |
| 1958 | 31 |
| 1959 | 58 |
| 1960 | 47 |
| 1961 | 44 |
| 1962 | 52 |
| 1963 | 65 |
| 1964 | 66 |
| 1965 | 76 |
| 1966 | 93 |
| 1967 | 100 |
| 1968 | 97 |
| 1969 | 111 |
| 1970 | 102 |
| 1971 | 123 |
| 1972 | 138 |
| 1973 | 131 |
| 1974 | 208 |
| 1975 | 397 |
| 1976 | 478 |
| 1977 | 449 |
| 1978 | 414 |
| 1979 | 440 |
| 1980 | 493 |
| 1981 | 458 |
| 1982 | 504 |
| 1983 | 583 |
| 1984 | 627 |
| 1985 | 710 |
| 1986 | 676 |
| 1987 | 707 |
| 1988 | 827 |
| 1989 | 1149 |
| 1990 | 1249 |
| 1991 | 1369 |
| 1992 | 1441 |
| 1993 | 1643 |
| 1994 | 1709 |
| 1995 | 1757 |
| 1996 | 1861 |
| 1997 | 1984 |
| 1998 | 1989 |
| 1999 | 2089 |
| 2000 | 2179 |
| 2001 | 2411 |
| 2002 | 2461 |
| 2003 | 2503 |
| 2004 | 2763 |
| 2005 | 3152 |
| 2006 | 3158 |
| 2007 | 3498 |
| 2008 | 3682 |
| 2009 | 3975 |
| 2010 | 4554 |
| 2011 | 4926 |
| 2012 | 5344 |
| 2013 | 5715 |
| 2014 | 6257 |
| 2015 | 6614 |
| 2016 | 7017 |
| 2017 | 7495 |
| 2018 | 7993 |
| 2019 | 8557 |
| 2020 | 10352 |
| 2021 | 11077 |
| 2022 | 11557 |
| 2023 | 11164 |
| 2024 | 4240 |