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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1806 | 1 |
| 1807 | 1 |
| 1808 | 1 |
| 1809 | 3 |
| 1810 | 3 |
| 1812 | 1 |
| 1813 | 1 |
| 1819 | 2 |
| 1821 | 1 |
| 1824 | 1 |
| 1836 | 1 |
| 1838 | 1 |
| 1840 | 1 |
| 1841 | 1 |
| 1842 | 1 |
| 1846 | 2 |
| 1847 | 3 |
| 1849 | 2 |
| 1850 | 3 |
| 1851 | 3 |
| 1852 | 5 |
| 1853 | 2 |
| 1854 | 1 |
| 1855 | 1 |
| 1856 | 2 |
| 1857 | 5 |
| 1858 | 2 |
| 1859 | 4 |
| 1860 | 4 |
| 1862 | 1 |
| 1863 | 2 |
| 1865 | 2 |
| 1866 | 1 |
| 1867 | 3 |
| 1868 | 6 |
| 1869 | 2 |
| 1874 | 2 |
| 1875 | 1 |
| 1878 | 6 |
| 1879 | 2 |
| 1881 | 3 |
| 1883 | 2 |
| 1884 | 1 |
| 1886 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1890 | 2 |
| 1892 | 5 |
| 1893 | 4 |
| 1894 | 3 |
| 1895 | 3 |
| 1897 | 4 |
| 1898 | 2 |
| 1899 | 4 |
| 1900 | 1 |
| 1904 | 3 |
| 1905 | 1 |
| 1906 | 2 |
| 1908 | 1 |
| 1909 | 2 |
| 1910 | 1 |
| 1911 | 2 |
| 1913 | 1 |
| 1915 | 3 |
| 1916 | 10 |
| 1917 | 13 |
| 1918 | 9 |
| 1919 | 8 |
| 1920 | 6 |
| 1921 | 4 |
| 1922 | 2 |
| 1923 | 1 |
| 1924 | 1 |
| 1926 | 1 |
| 1927 | 6 |
| 1929 | 2 |
| 1930 | 1 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 5 |
| 1936 | 2 |
| 1937 | 2 |
| 1939 | 1 |
| 1940 | 2 |
| 1942 | 1 |
| 1943 | 2 |
| 1945 | 5 |
| 1946 | 10 |
| 1947 | 12 |
| 1948 | 14 |
| 1949 | 11 |
| 1950 | 9 |
| 1951 | 16 |
| 1952 | 8 |
| 1953 | 10 |
| 1954 | 11 |
| 1955 | 7 |
| 1956 | 6 |
| 1957 | 6 |
| 1958 | 5 |
| 1959 | 10 |
| 1960 | 11 |
| 1961 | 5 |
| 1962 | 9 |
| 1963 | 34 |
| 1964 | 36 |
| 1965 | 60 |
| 1966 | 58 |
| 1967 | 93 |
| 1968 | 86 |
| 1969 | 62 |
| 1970 | 59 |
| 1971 | 96 |
| 1972 | 122 |
| 1973 | 115 |
| 1974 | 112 |
| 1975 | 114 |
| 1976 | 109 |
| 1977 | 140 |
| 1978 | 109 |
| 1979 | 164 |
| 1980 | 156 |
| 1981 | 145 |
| 1982 | 170 |
| 1983 | 220 |
| 1984 | 213 |
| 1985 | 243 |
| 1986 | 269 |
| 1987 | 1303 |
| 1988 | 2801 |
| 1989 | 3136 |
| 1990 | 3268 |
| 1991 | 3618 |
| 1992 | 3976 |
| 1993 | 4041 |
| 1994 | 4345 |
| 1995 | 4619 |
| 1996 | 5062 |
| 1997 | 5155 |
| 1998 | 5434 |
| 1999 | 5579 |
| 2000 | 5853 |
| 2001 | 6056 |
| 2002 | 6282 |
| 2003 | 6194 |
| 2004 | 6558 |
| 2005 | 7182 |
| 2006 | 7296 |
| 2007 | 7598 |
| 2008 | 7862 |
| 2009 | 8144 |
| 2010 | 8356 |
| 2011 | 8794 |
| 2012 | 8928 |
| 2013 | 9633 |
| 2014 | 12199 |
| 2015 | 14236 |
| 2016 | 14867 |
| 2017 | 15061 |
| 2018 | 15488 |
| 2019 | 15785 |
| 2020 | 18319 |
| 2021 | 18889 |
| 2022 | 17247 |
| 2023 | 16100 |
| 2024 | 6474 |