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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1799 | 2 |
| 1802 | 1 |
| 1803 | 3 |
| 1805 | 1 |
| 1807 | 2 |
| 1808 | 5 |
| 1810 | 1 |
| 1816 | 1 |
| 1820 | 1 |
| 1826 | 1 |
| 1829 | 1 |
| 1838 | 1 |
| 1839 | 2 |
| 1840 | 2 |
| 1841 | 3 |
| 1842 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1845 | 3 |
| 1848 | 1 |
| 1849 | 2 |
| 1851 | 1 |
| 1853 | 11 |
| 1854 | 3 |
| 1855 | 4 |
| 1856 | 2 |
| 1857 | 1 |
| 1858 | 1 |
| 1859 | 3 |
| 1860 | 3 |
| 1861 | 2 |
| 1862 | 2 |
| 1864 | 2 |
| 1865 | 1 |
| 1867 | 4 |
| 1868 | 4 |
| 1869 | 3 |
| 1870 | 1 |
| 1871 | 2 |
| 1873 | 3 |
| 1874 | 6 |
| 1875 | 3 |
| 1876 | 4 |
| 1877 | 3 |
| 1878 | 5 |
| 1879 | 3 |
| 1880 | 5 |
| 1881 | 7 |
| 1882 | 4 |
| 1883 | 12 |
| 1884 | 17 |
| 1885 | 21 |
| 1886 | 13 |
| 1887 | 8 |
| 1888 | 17 |
| 1889 | 7 |
| 1890 | 12 |
| 1891 | 6 |
| 1892 | 6 |
| 1893 | 13 |
| 1894 | 14 |
| 1895 | 7 |
| 1896 | 13 |
| 1897 | 6 |
| 1898 | 11 |
| 1899 | 3 |
| 1900 | 7 |
| 1901 | 7 |
| 1902 | 14 |
| 1903 | 8 |
| 1904 | 2 |
| 1905 | 9 |
| 1906 | 9 |
| 1907 | 9 |
| 1908 | 6 |
| 1909 | 10 |
| 1910 | 17 |
| 1911 | 9 |
| 1912 | 12 |
| 1913 | 9 |
| 1914 | 8 |
| 1915 | 13 |
| 1916 | 9 |
| 1917 | 8 |
| 1918 | 10 |
| 1919 | 13 |
| 1920 | 9 |
| 1921 | 13 |
| 1922 | 14 |
| 1923 | 19 |
| 1924 | 28 |
| 1925 | 26 |
| 1926 | 30 |
| 1927 | 36 |
| 1928 | 39 |
| 1929 | 41 |
| 1930 | 36 |
| 1931 | 35 |
| 1932 | 23 |
| 1933 | 37 |
| 1934 | 31 |
| 1935 | 40 |
| 1936 | 31 |
| 1937 | 36 |
| 1938 | 39 |
| 1939 | 39 |
| 1940 | 31 |
| 1941 | 42 |
| 1942 | 28 |
| 1943 | 29 |
| 1944 | 35 |
| 1945 | 48 |
| 1946 | 191 |
| 1947 | 222 |
| 1948 | 240 |
| 1949 | 220 |
| 1950 | 258 |
| 1951 | 281 |
| 1952 | 284 |
| 1953 | 277 |
| 1954 | 249 |
| 1955 | 238 |
| 1956 | 259 |
| 1957 | 231 |
| 1958 | 287 |
| 1959 | 304 |
| 1960 | 299 |
| 1961 | 315 |
| 1962 | 339 |
| 1963 | 298 |
| 1964 | 477 |
| 1965 | 565 |
| 1966 | 557 |
| 1967 | 568 |
| 1968 | 645 |
| 1969 | 713 |
| 1970 | 741 |
| 1971 | 788 |
| 1972 | 823 |
| 1973 | 884 |
| 1974 | 949 |
| 1975 | 1070 |
| 1976 | 1164 |
| 1977 | 1105 |
| 1978 | 1159 |
| 1979 | 1199 |
| 1980 | 1249 |
| 1981 | 1317 |
| 1982 | 1369 |
| 1983 | 1477 |
| 1984 | 1581 |
| 1985 | 1671 |
| 1986 | 1734 |
| 1987 | 1834 |
| 1988 | 1837 |
| 1989 | 1990 |
| 1990 | 2124 |
| 1991 | 2164 |
| 1992 | 2187 |
| 1993 | 2347 |
| 1994 | 2381 |
| 1995 | 2553 |
| 1996 | 2551 |
| 1997 | 2503 |
| 1998 | 2584 |
| 1999 | 2590 |
| 2000 | 2711 |
| 2001 | 2825 |
| 2002 | 2929 |
| 2003 | 2948 |
| 2004 | 3210 |
| 2005 | 3658 |
| 2006 | 4183 |
| 2007 | 4531 |
| 2008 | 4961 |
| 2009 | 5387 |
| 2010 | 5504 |
| 2011 | 6024 |
| 2012 | 6396 |
| 2013 | 6703 |
| 2014 | 7213 |
| 2015 | 7857 |
| 2016 | 8423 |
| 2017 | 8589 |
| 2018 | 8827 |
| 2019 | 8790 |
| 2020 | 10471 |
| 2021 | 11027 |
| 2022 | 10546 |
| 2023 | 10206 |
| 2024 | 10426 |
| 2025 | 8712 |
| 2026 | 6 |