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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1818 | 1 |
| 1836 | 1 |
| 1840 | 1 |
| 1843 | 2 |
| 1845 | 2 |
| 1846 | 3 |
| 1849 | 1 |
| 1850 | 3 |
| 1852 | 1 |
| 1853 | 4 |
| 1854 | 1 |
| 1855 | 2 |
| 1857 | 1 |
| 1858 | 3 |
| 1859 | 1 |
| 1862 | 2 |
| 1866 | 2 |
| 1868 | 2 |
| 1870 | 1 |
| 1871 | 2 |
| 1872 | 5 |
| 1873 | 2 |
| 1874 | 1 |
| 1879 | 2 |
| 1883 | 3 |
| 1884 | 2 |
| 1885 | 2 |
| 1886 | 1 |
| 1887 | 3 |
| 1888 | 1 |
| 1889 | 4 |
| 1890 | 3 |
| 1891 | 4 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 4 |
| 1895 | 5 |
| 1896 | 19 |
| 1897 | 10 |
| 1898 | 17 |
| 1899 | 13 |
| 1900 | 14 |
| 1901 | 16 |
| 1902 | 9 |
| 1903 | 13 |
| 1904 | 22 |
| 1905 | 16 |
| 1906 | 20 |
| 1907 | 16 |
| 1908 | 4 |
| 1909 | 1 |
| 1910 | 8 |
| 1911 | 5 |
| 1912 | 4 |
| 1913 | 5 |
| 1914 | 4 |
| 1915 | 3 |
| 1916 | 3 |
| 1917 | 4 |
| 1918 | 2 |
| 1919 | 6 |
| 1920 | 2 |
| 1921 | 1 |
| 1923 | 1 |
| 1925 | 1 |
| 1926 | 2 |
| 1929 | 2 |
| 1930 | 1 |
| 1938 | 1 |
| 1941 | 1 |
| 1943 | 1 |
| 1945 | 7 |
| 1946 | 20 |
| 1947 | 17 |
| 1948 | 12 |
| 1949 | 12 |
| 1950 | 32 |
| 1951 | 28 |
| 1952 | 28 |
| 1953 | 33 |
| 1954 | 26 |
| 1955 | 14 |
| 1956 | 6 |
| 1957 | 8 |
| 1958 | 11 |
| 1959 | 8 |
| 1960 | 11 |
| 1961 | 14 |
| 1962 | 11 |
| 1963 | 15 |
| 1964 | 20 |
| 1965 | 13 |
| 1966 | 3 |
| 1967 | 10 |
| 1968 | 10 |
| 1969 | 17 |
| 1970 | 16 |
| 1971 | 11 |
| 1972 | 5 |
| 1973 | 2 |
| 1974 | 4 |
| 1975 | 8 |
| 1976 | 5 |
| 1977 | 3 |
| 1978 | 8 |
| 1979 | 7 |
| 1980 | 5 |
| 1981 | 6 |
| 1982 | 11 |
| 1983 | 4 |
| 1984 | 9 |
| 1985 | 6 |
| 1986 | 5 |
| 1987 | 6 |
| 1988 | 4 |
| 1989 | 7 |
| 1990 | 12 |
| 1991 | 12 |
| 1992 | 10 |
| 1993 | 5 |
| 1994 | 14 |
| 1995 | 4 |
| 1996 | 21 |
| 1997 | 27 |
| 1998 | 15 |
| 1999 | 36 |
| 2000 | 41 |
| 2001 | 50 |
| 2002 | 52 |
| 2003 | 62 |
| 2004 | 67 |
| 2005 | 92 |
| 2006 | 75 |
| 2007 | 103 |
| 2008 | 126 |
| 2009 | 146 |
| 2010 | 150 |
| 2011 | 155 |
| 2012 | 216 |
| 2013 | 280 |
| 2014 | 402 |
| 2015 | 506 |
| 2016 | 627 |
| 2017 | 743 |
| 2018 | 796 |
| 2019 | 949 |
| 2020 | 1140 |
| 2021 | 1288 |
| 2022 | 1412 |
| 2023 | 1190 |
| 2024 | 489 |