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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1786 | 2 |
| 1787 | 2 |
| 1789 | 1 |
| 1790 | 1 |
| 1797 | 2 |
| 1813 | 1 |
| 1819 | 1 |
| 1828 | 2 |
| 1830 | 1 |
| 1831 | 1 |
| 1834 | 1 |
| 1839 | 2 |
| 1840 | 2 |
| 1841 | 1 |
| 1847 | 1 |
| 1849 | 2 |
| 1850 | 1 |
| 1852 | 2 |
| 1853 | 4 |
| 1854 | 4 |
| 1855 | 4 |
| 1856 | 1 |
| 1858 | 4 |
| 1859 | 3 |
| 1861 | 2 |
| 1862 | 1 |
| 1864 | 2 |
| 1865 | 3 |
| 1866 | 1 |
| 1867 | 4 |
| 1868 | 2 |
| 1869 | 2 |
| 1870 | 1 |
| 1871 | 9 |
| 1872 | 11 |
| 1873 | 10 |
| 1874 | 8 |
| 1875 | 4 |
| 1876 | 3 |
| 1877 | 2 |
| 1878 | 2 |
| 1881 | 4 |
| 1882 | 1 |
| 1883 | 9 |
| 1884 | 6 |
| 1885 | 6 |
| 1886 | 5 |
| 1887 | 5 |
| 1888 | 7 |
| 1889 | 5 |
| 1890 | 3 |
| 1891 | 14 |
| 1892 | 13 |
| 1893 | 9 |
| 1894 | 5 |
| 1895 | 3 |
| 1896 | 7 |
| 1897 | 13 |
| 1898 | 5 |
| 1899 | 9 |
| 1900 | 14 |
| 1901 | 17 |
| 1902 | 9 |
| 1903 | 9 |
| 1904 | 9 |
| 1905 | 11 |
| 1906 | 9 |
| 1907 | 4 |
| 1908 | 4 |
| 1909 | 7 |
| 1910 | 9 |
| 1911 | 13 |
| 1912 | 5 |
| 1913 | 3 |
| 1914 | 3 |
| 1915 | 17 |
| 1916 | 10 |
| 1917 | 9 |
| 1918 | 7 |
| 1919 | 12 |
| 1920 | 9 |
| 1921 | 16 |
| 1922 | 17 |
| 1923 | 18 |
| 1924 | 8 |
| 1925 | 15 |
| 1926 | 6 |
| 1927 | 14 |
| 1928 | 18 |
| 1929 | 13 |
| 1930 | 26 |
| 1931 | 15 |
| 1932 | 17 |
| 1933 | 16 |
| 1934 | 25 |
| 1935 | 20 |
| 1936 | 20 |
| 1937 | 25 |
| 1938 | 15 |
| 1939 | 18 |
| 1940 | 18 |
| 1941 | 9 |
| 1942 | 13 |
| 1943 | 18 |
| 1944 | 27 |
| 1945 | 36 |
| 1946 | 121 |
| 1947 | 131 |
| 1948 | 95 |
| 1949 | 91 |
| 1950 | 117 |
| 1951 | 123 |
| 1952 | 108 |
| 1953 | 135 |
| 1954 | 129 |
| 1955 | 123 |
| 1956 | 106 |
| 1957 | 118 |
| 1958 | 133 |
| 1959 | 175 |
| 1960 | 168 |
| 1961 | 152 |
| 1962 | 133 |
| 1963 | 168 |
| 1964 | 169 |
| 1965 | 212 |
| 1966 | 230 |
| 1967 | 231 |
| 1968 | 258 |
| 1969 | 283 |
| 1970 | 297 |
| 1971 | 309 |
| 1972 | 325 |
| 1973 | 395 |
| 1974 | 373 |
| 1975 | 404 |
| 1976 | 433 |
| 1977 | 446 |
| 1978 | 463 |
| 1979 | 515 |
| 1980 | 546 |
| 1981 | 552 |
| 1982 | 559 |
| 1983 | 592 |
| 1984 | 598 |
| 1985 | 671 |
| 1986 | 680 |
| 1987 | 792 |
| 1988 | 857 |
| 1989 | 976 |
| 1990 | 985 |
| 1991 | 1027 |
| 1992 | 1012 |
| 1993 | 1001 |
| 1994 | 1057 |
| 1995 | 1215 |
| 1996 | 1209 |
| 1997 | 1195 |
| 1998 | 1189 |
| 1999 | 1225 |
| 2000 | 1216 |
| 2001 | 1322 |
| 2002 | 1325 |
| 2003 | 1467 |
| 2004 | 1535 |
| 2005 | 1796 |
| 2006 | 1842 |
| 2007 | 1953 |
| 2008 | 2129 |
| 2009 | 2211 |
| 2010 | 2418 |
| 2011 | 2742 |
| 2012 | 2912 |
| 2013 | 3054 |
| 2014 | 3225 |
| 2015 | 3339 |
| 2016 | 3442 |
| 2017 | 3576 |
| 2018 | 3647 |
| 2019 | 3599 |
| 2020 | 4153 |
| 2021 | 4704 |
| 2022 | 4301 |
| 2023 | 4140 |
| 2024 | 4179 |
| 2025 | 4209 |
| 2026 | 1067 |
| 2027 | 1 |