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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1786 | 1 |
| 1799 | 1 |
| 1800 | 1 |
| 1802 | 1 |
| 1805 | 1 |
| 1806 | 2 |
| 1807 | 2 |
| 1808 | 3 |
| 1809 | 8 |
| 1810 | 4 |
| 1811 | 1 |
| 1812 | 1 |
| 1813 | 2 |
| 1815 | 3 |
| 1816 | 2 |
| 1817 | 4 |
| 1819 | 3 |
| 1820 | 4 |
| 1821 | 3 |
| 1822 | 2 |
| 1823 | 2 |
| 1824 | 2 |
| 1825 | 4 |
| 1826 | 4 |
| 1827 | 1 |
| 1828 | 1 |
| 1829 | 4 |
| 1830 | 4 |
| 1831 | 9 |
| 1835 | 1 |
| 1837 | 1 |
| 1838 | 1 |
| 1839 | 1 |
| 1840 | 1 |
| 1841 | 4 |
| 1842 | 7 |
| 1843 | 2 |
| 1844 | 1 |
| 1845 | 6 |
| 1846 | 3 |
| 1847 | 9 |
| 1849 | 7 |
| 1850 | 3 |
| 1851 | 4 |
| 1853 | 5 |
| 1854 | 6 |
| 1856 | 7 |
| 1858 | 1 |
| 1859 | 5 |
| 1860 | 9 |
| 1861 | 4 |
| 1862 | 1 |
| 1864 | 4 |
| 1865 | 3 |
| 1866 | 5 |
| 1867 | 5 |
| 1868 | 4 |
| 1869 | 9 |
| 1870 | 5 |
| 1871 | 7 |
| 1872 | 10 |
| 1873 | 10 |
| 1874 | 13 |
| 1875 | 6 |
| 1876 | 5 |
| 1877 | 18 |
| 1878 | 10 |
| 1879 | 7 |
| 1880 | 6 |
| 1881 | 9 |
| 1882 | 14 |
| 1883 | 10 |
| 1884 | 3 |
| 1885 | 5 |
| 1886 | 3 |
| 1887 | 7 |
| 1888 | 5 |
| 1889 | 5 |
| 1890 | 7 |
| 1891 | 10 |
| 1892 | 8 |
| 1893 | 1 |
| 1894 | 14 |
| 1895 | 8 |
| 1896 | 10 |
| 1897 | 9 |
| 1898 | 8 |
| 1899 | 14 |
| 1900 | 9 |
| 1901 | 5 |
| 1902 | 4 |
| 1903 | 5 |
| 1904 | 3 |
| 1905 | 4 |
| 1906 | 8 |
| 1907 | 6 |
| 1909 | 10 |
| 1910 | 4 |
| 1911 | 9 |
| 1912 | 6 |
| 1913 | 4 |
| 1914 | 5 |
| 1915 | 14 |
| 1916 | 12 |
| 1917 | 8 |
| 1918 | 31 |
| 1919 | 11 |
| 1920 | 2 |
| 1921 | 1 |
| 1922 | 4 |
| 1923 | 6 |
| 1924 | 5 |
| 1925 | 4 |
| 1926 | 4 |
| 1927 | 5 |
| 1928 | 7 |
| 1929 | 2 |
| 1930 | 4 |
| 1931 | 5 |
| 1932 | 5 |
| 1933 | 4 |
| 1934 | 4 |
| 1935 | 4 |
| 1936 | 5 |
| 1937 | 8 |
| 1938 | 11 |
| 1939 | 10 |
| 1940 | 12 |
| 1941 | 8 |
| 1942 | 10 |
| 1943 | 15 |
| 1944 | 4 |
| 1945 | 44 |
| 1946 | 82 |
| 1947 | 94 |
| 1948 | 113 |
| 1949 | 92 |
| 1950 | 138 |
| 1951 | 180 |
| 1952 | 161 |
| 1953 | 182 |
| 1954 | 191 |
| 1955 | 200 |
| 1956 | 183 |
| 1957 | 188 |
| 1958 | 199 |
| 1959 | 185 |
| 1960 | 225 |
| 1961 | 189 |
| 1962 | 206 |
| 1963 | 299 |
| 1964 | 397 |
| 1965 | 328 |
| 1966 | 341 |
| 1967 | 320 |
| 1968 | 300 |
| 1969 | 360 |
| 1970 | 308 |
| 1971 | 266 |
| 1972 | 282 |
| 1973 | 336 |
| 1974 | 292 |
| 1975 | 281 |
| 1976 | 289 |
| 1977 | 250 |
| 1978 | 283 |
| 1979 | 322 |
| 1980 | 337 |
| 1981 | 311 |
| 1982 | 331 |
| 1983 | 396 |
| 1984 | 430 |
| 1985 | 426 |
| 1986 | 433 |
| 1987 | 390 |
| 1988 | 416 |
| 1989 | 452 |
| 1990 | 482 |
| 1991 | 499 |
| 1992 | 561 |
| 1993 | 587 |
| 1994 | 593 |
| 1995 | 546 |
| 1996 | 581 |
| 1997 | 618 |
| 1998 | 591 |
| 1999 | 560 |
| 2000 | 564 |
| 2001 | 558 |
| 2002 | 502 |
| 2003 | 492 |
| 2004 | 534 |
| 2005 | 594 |
| 2006 | 598 |
| 2007 | 587 |
| 2008 | 522 |
| 2009 | 518 |
| 2010 | 510 |
| 2011 | 603 |
| 2012 | 600 |
| 2013 | 648 |
| 2014 | 609 |
| 2015 | 639 |
| 2016 | 624 |
| 2017 | 601 |
| 2018 | 624 |
| 2019 | 612 |
| 2020 | 576 |
| 2021 | 673 |
| 2022 | 596 |
| 2023 | 558 |
| 2024 | 524 |
| 2025 | 561 |
| 2026 | 386 |