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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1781 | 1 |
| 1795 | 1 |
| 1799 | 1 |
| 1812 | 1 |
| 1814 | 2 |
| 1815 | 1 |
| 1817 | 2 |
| 1819 | 1 |
| 1822 | 1 |
| 1828 | 1 |
| 1839 | 2 |
| 1841 | 2 |
| 1842 | 1 |
| 1843 | 4 |
| 1844 | 3 |
| 1845 | 3 |
| 1850 | 3 |
| 1851 | 5 |
| 1852 | 2 |
| 1853 | 1 |
| 1854 | 2 |
| 1856 | 1 |
| 1857 | 4 |
| 1858 | 2 |
| 1859 | 1 |
| 1860 | 1 |
| 1861 | 2 |
| 1862 | 1 |
| 1866 | 3 |
| 1867 | 2 |
| 1868 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1872 | 6 |
| 1873 | 2 |
| 1874 | 1 |
| 1875 | 2 |
| 1876 | 3 |
| 1877 | 5 |
| 1884 | 1 |
| 1885 | 4 |
| 1886 | 3 |
| 1887 | 4 |
| 1889 | 26 |
| 1890 | 2 |
| 1891 | 4 |
| 1892 | 4 |
| 1893 | 1 |
| 1894 | 2 |
| 1896 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1905 | 1 |
| 1906 | 2 |
| 1908 | 3 |
| 1910 | 2 |
| 1911 | 2 |
| 1912 | 2 |
| 1913 | 2 |
| 1915 | 1 |
| 1916 | 2 |
| 1917 | 2 |
| 1918 | 6 |
| 1919 | 3 |
| 1920 | 1 |
| 1921 | 1 |
| 1922 | 1 |
| 1927 | 2 |
| 1929 | 2 |
| 1930 | 2 |
| 1931 | 2 |
| 1932 | 2 |
| 1934 | 2 |
| 1935 | 2 |
| 1938 | 2 |
| 1940 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 13 |
| 1946 | 24 |
| 1947 | 13 |
| 1948 | 17 |
| 1949 | 9 |
| 1950 | 15 |
| 1951 | 17 |
| 1952 | 11 |
| 1953 | 16 |
| 1954 | 15 |
| 1955 | 9 |
| 1956 | 14 |
| 1957 | 16 |
| 1958 | 19 |
| 1959 | 21 |
| 1960 | 13 |
| 1961 | 13 |
| 1962 | 12 |
| 1963 | 26 |
| 1964 | 34 |
| 1965 | 37 |
| 1966 | 52 |
| 1967 | 53 |
| 1968 | 77 |
| 1969 | 79 |
| 1970 | 123 |
| 1971 | 103 |
| 1972 | 132 |
| 1973 | 141 |
| 1974 | 141 |
| 1975 | 496 |
| 1976 | 569 |
| 1977 | 573 |
| 1978 | 660 |
| 1979 | 743 |
| 1980 | 794 |
| 1981 | 777 |
| 1982 | 826 |
| 1983 | 943 |
| 1984 | 1071 |
| 1985 | 1102 |
| 1986 | 1153 |
| 1987 | 1349 |
| 1988 | 1487 |
| 1989 | 1952 |
| 1990 | 2007 |
| 1991 | 2014 |
| 1992 | 2206 |
| 1993 | 2445 |
| 1994 | 2376 |
| 1995 | 2522 |
| 1996 | 2666 |
| 1997 | 2853 |
| 1998 | 3054 |
| 1999 | 3153 |
| 2000 | 3212 |
| 2001 | 3409 |
| 2002 | 3555 |
| 2003 | 3827 |
| 2004 | 4204 |
| 2005 | 4486 |
| 2006 | 4754 |
| 2007 | 5105 |
| 2008 | 5520 |
| 2009 | 5688 |
| 2010 | 6206 |
| 2011 | 6523 |
| 2012 | 7118 |
| 2013 | 7459 |
| 2014 | 7979 |
| 2015 | 8262 |
| 2016 | 8528 |
| 2017 | 9119 |
| 2018 | 9818 |
| 2019 | 10248 |
| 2020 | 12218 |
| 2021 | 13650 |
| 2022 | 13485 |
| 2023 | 3342 |