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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1794 | 1 |
| 1809 | 1 |
| 1820 | 1 |
| 1821 | 2 |
| 1822 | 1 |
| 1823 | 1 |
| 1825 | 1 |
| 1826 | 1 |
| 1827 | 1 |
| 1830 | 2 |
| 1834 | 2 |
| 1837 | 1 |
| 1840 | 1 |
| 1841 | 2 |
| 1842 | 2 |
| 1844 | 3 |
| 1845 | 2 |
| 1846 | 1 |
| 1847 | 1 |
| 1848 | 1 |
| 1849 | 1 |
| 1850 | 5 |
| 1851 | 1 |
| 1853 | 2 |
| 1855 | 4 |
| 1856 | 1 |
| 1857 | 3 |
| 1859 | 1 |
| 1861 | 2 |
| 1862 | 1 |
| 1865 | 1 |
| 1867 | 1 |
| 1868 | 2 |
| 1869 | 2 |
| 1872 | 6 |
| 1873 | 3 |
| 1874 | 3 |
| 1875 | 3 |
| 1878 | 1 |
| 1879 | 3 |
| 1882 | 3 |
| 1883 | 3 |
| 1884 | 2 |
| 1885 | 3 |
| 1888 | 1 |
| 1889 | 2 |
| 1890 | 9 |
| 1891 | 5 |
| 1892 | 8 |
| 1893 | 3 |
| 1894 | 3 |
| 1895 | 2 |
| 1896 | 2 |
| 1897 | 1 |
| 1898 | 2 |
| 1899 | 1 |
| 1900 | 3 |
| 1901 | 3 |
| 1902 | 1 |
| 1903 | 2 |
| 1904 | 2 |
| 1905 | 2 |
| 1906 | 5 |
| 1907 | 7 |
| 1908 | 7 |
| 1909 | 3 |
| 1910 | 6 |
| 1911 | 10 |
| 1912 | 3 |
| 1913 | 1 |
| 1914 | 1 |
| 1915 | 9 |
| 1916 | 4 |
| 1917 | 2 |
| 1918 | 4 |
| 1919 | 8 |
| 1920 | 4 |
| 1921 | 3 |
| 1922 | 6 |
| 1923 | 7 |
| 1924 | 2 |
| 1925 | 4 |
| 1926 | 18 |
| 1927 | 16 |
| 1928 | 10 |
| 1929 | 12 |
| 1930 | 10 |
| 1931 | 15 |
| 1932 | 18 |
| 1933 | 7 |
| 1934 | 19 |
| 1935 | 18 |
| 1936 | 9 |
| 1937 | 7 |
| 1938 | 3 |
| 1939 | 4 |
| 1940 | 8 |
| 1941 | 9 |
| 1942 | 9 |
| 1943 | 8 |
| 1944 | 9 |
| 1945 | 8 |
| 1946 | 7 |
| 1947 | 16 |
| 1948 | 14 |
| 1949 | 13 |
| 1950 | 42 |
| 1951 | 66 |
| 1952 | 84 |
| 1953 | 72 |
| 1954 | 28 |
| 1955 | 35 |
| 1956 | 40 |
| 1957 | 57 |
| 1958 | 34 |
| 1959 | 43 |
| 1960 | 47 |
| 1961 | 44 |
| 1962 | 39 |
| 1963 | 49 |
| 1964 | 63 |
| 1965 | 63 |
| 1966 | 85 |
| 1967 | 75 |
| 1968 | 72 |
| 1969 | 75 |
| 1970 | 98 |
| 1971 | 86 |
| 1972 | 83 |
| 1973 | 97 |
| 1974 | 99 |
| 1975 | 119 |
| 1976 | 128 |
| 1977 | 127 |
| 1978 | 135 |
| 1979 | 143 |
| 1980 | 126 |
| 1981 | 126 |
| 1982 | 157 |
| 1983 | 166 |
| 1984 | 150 |
| 1985 | 169 |
| 1986 | 190 |
| 1987 | 382 |
| 1988 | 598 |
| 1989 | 597 |
| 1990 | 711 |
| 1991 | 731 |
| 1992 | 691 |
| 1993 | 772 |
| 1994 | 771 |
| 1995 | 697 |
| 1996 | 794 |
| 1997 | 857 |
| 1998 | 838 |
| 1999 | 974 |
| 2000 | 1157 |
| 2001 | 1345 |
| 2002 | 1539 |
| 2003 | 1689 |
| 2004 | 1876 |
| 2005 | 2189 |
| 2006 | 2424 |
| 2007 | 2556 |
| 2008 | 2757 |
| 2009 | 2891 |
| 2010 | 2971 |
| 2011 | 3158 |
| 2012 | 3337 |
| 2013 | 3832 |
| 2014 | 5652 |
| 2015 | 7033 |
| 2016 | 8037 |
| 2017 | 8321 |
| 2018 | 8748 |
| 2019 | 9596 |
| 2020 | 10668 |
| 2021 | 11518 |
| 2022 | 10889 |
| 2023 | 10625 |
| 2024 | 10949 |
| 2025 | 11609 |
| 2026 | 8735 |
| 2027 | 4 |