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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1799 | 3 |
| 1807 | 2 |
| 1827 | 1 |
| 1838 | 3 |
| 1840 | 1 |
| 1842 | 1 |
| 1845 | 2 |
| 1846 | 4 |
| 1847 | 3 |
| 1848 | 3 |
| 1849 | 5 |
| 1850 | 2 |
| 1853 | 1 |
| 1854 | 1 |
| 1855 | 3 |
| 1856 | 3 |
| 1857 | 2 |
| 1858 | 1 |
| 1860 | 3 |
| 1861 | 1 |
| 1862 | 2 |
| 1863 | 4 |
| 1864 | 3 |
| 1865 | 2 |
| 1866 | 7 |
| 1867 | 4 |
| 1868 | 4 |
| 1870 | 3 |
| 1871 | 1 |
| 1872 | 4 |
| 1873 | 5 |
| 1874 | 3 |
| 1875 | 6 |
| 1876 | 2 |
| 1877 | 2 |
| 1878 | 1 |
| 1879 | 5 |
| 1881 | 5 |
| 1883 | 6 |
| 1884 | 5 |
| 1885 | 4 |
| 1886 | 10 |
| 1887 | 9 |
| 1888 | 11 |
| 1889 | 6 |
| 1890 | 3 |
| 1891 | 6 |
| 1892 | 6 |
| 1893 | 2 |
| 1895 | 3 |
| 1896 | 4 |
| 1897 | 6 |
| 1898 | 6 |
| 1899 | 2 |
| 1900 | 7 |
| 1901 | 4 |
| 1902 | 8 |
| 1903 | 4 |
| 1905 | 2 |
| 1906 | 2 |
| 1907 | 3 |
| 1908 | 2 |
| 1909 | 1 |
| 1910 | 2 |
| 1911 | 4 |
| 1912 | 1 |
| 1913 | 9 |
| 1914 | 3 |
| 1915 | 8 |
| 1916 | 8 |
| 1917 | 16 |
| 1918 | 11 |
| 1919 | 14 |
| 1920 | 7 |
| 1921 | 2 |
| 1922 | 3 |
| 1923 | 3 |
| 1924 | 7 |
| 1925 | 13 |
| 1926 | 14 |
| 1927 | 7 |
| 1928 | 9 |
| 1929 | 7 |
| 1930 | 10 |
| 1931 | 9 |
| 1932 | 9 |
| 1933 | 9 |
| 1934 | 11 |
| 1935 | 9 |
| 1936 | 7 |
| 1937 | 4 |
| 1938 | 10 |
| 1939 | 11 |
| 1940 | 9 |
| 1941 | 15 |
| 1942 | 13 |
| 1943 | 14 |
| 1944 | 18 |
| 1945 | 36 |
| 1946 | 89 |
| 1947 | 104 |
| 1948 | 95 |
| 1949 | 95 |
| 1950 | 179 |
| 1951 | 285 |
| 1952 | 293 |
| 1953 | 299 |
| 1954 | 253 |
| 1955 | 204 |
| 1956 | 205 |
| 1957 | 208 |
| 1958 | 192 |
| 1959 | 158 |
| 1960 | 159 |
| 1961 | 162 |
| 1962 | 169 |
| 1963 | 474 |
| 1964 | 678 |
| 1965 | 459 |
| 1966 | 495 |
| 1967 | 442 |
| 1968 | 493 |
| 1969 | 495 |
| 1970 | 657 |
| 1971 | 770 |
| 1972 | 1021 |
| 1973 | 1626 |
| 1974 | 3088 |
| 1975 | 25481 |
| 1976 | 26722 |
| 1977 | 27739 |
| 1978 | 28458 |
| 1979 | 30552 |
| 1980 | 43942 |
| 1981 | 59637 |
| 1982 | 63477 |
| 1983 | 69594 |
| 1984 | 72690 |
| 1985 | 75039 |
| 1986 | 79735 |
| 1987 | 84239 |
| 1988 | 88592 |
| 1989 | 93913 |
| 1990 | 98478 |
| 1991 | 102129 |
| 1992 | 106807 |
| 1993 | 110205 |
| 1994 | 117117 |
| 1995 | 121106 |
| 1996 | 124973 |
| 1997 | 130491 |
| 1998 | 137288 |
| 1999 | 144479 |
| 2000 | 156343 |
| 2001 | 165025 |
| 2002 | 174165 |
| 2003 | 188840 |
| 2004 | 207948 |
| 2005 | 226055 |
| 2006 | 229671 |
| 2007 | 247621 |
| 2008 | 268013 |
| 2009 | 288246 |
| 2010 | 316702 |
| 2011 | 346240 |
| 2012 | 375444 |
| 2013 | 398340 |
| 2014 | 414782 |
| 2015 | 418838 |
| 2016 | 278860 |
| 2017 | 204396 |
| 2018 | 295475 |
| 2019 | 307862 |
| 2020 | 336535 |
| 2021 | 356918 |
| 2022 | 339181 |
| 2023 | 289262 |
| 2024 | 171213 |
| 2025 | 56289 |
| 2026 | 6 |