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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1786 | 1 |
| 1787 | 1 |
| 1788 | 1 |
| 1790 | 1 |
| 1792 | 1 |
| 1797 | 1 |
| 1800 | 2 |
| 1804 | 1 |
| 1806 | 5 |
| 1807 | 2 |
| 1808 | 3 |
| 1809 | 2 |
| 1810 | 2 |
| 1811 | 1 |
| 1812 | 1 |
| 1852 | 1 |
| 1862 | 2 |
| 1863 | 3 |
| 1864 | 3 |
| 1865 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1869 | 4 |
| 1870 | 1 |
| 1872 | 3 |
| 1873 | 1 |
| 1874 | 3 |
| 1875 | 2 |
| 1876 | 1 |
| 1883 | 1 |
| 1885 | 4 |
| 1886 | 2 |
| 1887 | 2 |
| 1888 | 2 |
| 1889 | 3 |
| 1890 | 2 |
| 1891 | 4 |
| 1892 | 1 |
| 1893 | 3 |
| 1894 | 3 |
| 1895 | 5 |
| 1896 | 4 |
| 1897 | 8 |
| 1898 | 4 |
| 1899 | 7 |
| 1900 | 4 |
| 1901 | 5 |
| 1902 | 6 |
| 1903 | 4 |
| 1904 | 2 |
| 1905 | 3 |
| 1906 | 3 |
| 1907 | 6 |
| 1908 | 3 |
| 1909 | 5 |
| 1910 | 3 |
| 1911 | 4 |
| 1912 | 5 |
| 1913 | 5 |
| 1914 | 10 |
| 1915 | 3 |
| 1916 | 2 |
| 1917 | 4 |
| 1918 | 1 |
| 1919 | 3 |
| 1920 | 1 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 2 |
| 1925 | 1 |
| 1928 | 2 |
| 1935 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1945 | 2 |
| 1946 | 2 |
| 1947 | 6 |
| 1948 | 1 |
| 1949 | 3 |
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 5 |
| 1953 | 2 |
| 1954 | 5 |
| 1955 | 9 |
| 1957 | 3 |
| 1958 | 7 |
| 1959 | 5 |
| 1960 | 7 |
| 1961 | 10 |
| 1962 | 7 |
| 1963 | 4 |
| 1964 | 11 |
| 1965 | 28 |
| 1966 | 11 |
| 1967 | 7 |
| 1968 | 16 |
| 1969 | 23 |
| 1970 | 16 |
| 1971 | 19 |
| 1972 | 27 |
| 1973 | 11 |
| 1974 | 24 |
| 1975 | 15 |
| 1976 | 26 |
| 1977 | 22 |
| 1978 | 14 |
| 1979 | 25 |
| 1980 | 27 |
| 1981 | 23 |
| 1982 | 23 |
| 1983 | 24 |
| 1984 | 23 |
| 1985 | 42 |
| 1986 | 34 |
| 1987 | 45 |
| 1988 | 38 |
| 1989 | 41 |
| 1990 | 51 |
| 1991 | 44 |
| 1992 | 37 |
| 1993 | 53 |
| 1994 | 59 |
| 1995 | 54 |
| 1996 | 56 |
| 1997 | 57 |
| 1998 | 53 |
| 1999 | 55 |
| 2000 | 64 |
| 2001 | 69 |
| 2002 | 62 |
| 2003 | 48 |
| 2004 | 78 |
| 2005 | 95 |
| 2006 | 99 |
| 2007 | 123 |
| 2008 | 107 |
| 2009 | 120 |
| 2010 | 100 |
| 2011 | 95 |
| 2012 | 116 |
| 2013 | 138 |
| 2014 | 119 |
| 2015 | 130 |
| 2016 | 119 |
| 2017 | 125 |
| 2018 | 145 |
| 2019 | 151 |
| 2020 | 205 |
| 2021 | 225 |
| 2022 | 155 |