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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1802 | 1 |
| 1829 | 1 |
| 1830 | 1 |
| 1832 | 2 |
| 1839 | 3 |
| 1841 | 1 |
| 1845 | 2 |
| 1846 | 2 |
| 1847 | 3 |
| 1848 | 1 |
| 1849 | 1 |
| 1850 | 1 |
| 1854 | 1 |
| 1855 | 1 |
| 1856 | 1 |
| 1859 | 2 |
| 1860 | 7 |
| 1861 | 2 |
| 1862 | 5 |
| 1864 | 3 |
| 1865 | 5 |
| 1866 | 4 |
| 1867 | 5 |
| 1870 | 1 |
| 1871 | 3 |
| 1872 | 3 |
| 1873 | 3 |
| 1874 | 5 |
| 1875 | 1 |
| 1876 | 2 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 2 |
| 1881 | 5 |
| 1883 | 5 |
| 1884 | 5 |
| 1885 | 7 |
| 1886 | 5 |
| 1887 | 6 |
| 1888 | 1 |
| 1889 | 3 |
| 1890 | 3 |
| 1891 | 2 |
| 1892 | 9 |
| 1893 | 9 |
| 1894 | 3 |
| 1895 | 6 |
| 1896 | 4 |
| 1897 | 8 |
| 1898 | 1 |
| 1899 | 2 |
| 1900 | 3 |
| 1901 | 6 |
| 1902 | 3 |
| 1903 | 7 |
| 1904 | 1 |
| 1905 | 4 |
| 1906 | 4 |
| 1907 | 7 |
| 1908 | 1 |
| 1909 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1913 | 4 |
| 1914 | 15 |
| 1915 | 3 |
| 1916 | 3 |
| 1917 | 2 |
| 1918 | 1 |
| 1919 | 5 |
| 1920 | 2 |
| 1921 | 3 |
| 1922 | 8 |
| 1923 | 2 |
| 1924 | 6 |
| 1925 | 8 |
| 1926 | 7 |
| 1927 | 12 |
| 1928 | 11 |
| 1929 | 11 |
| 1930 | 7 |
| 1931 | 6 |
| 1932 | 8 |
| 1933 | 7 |
| 1934 | 6 |
| 1935 | 7 |
| 1936 | 10 |
| 1937 | 7 |
| 1938 | 6 |
| 1939 | 6 |
| 1940 | 7 |
| 1941 | 6 |
| 1942 | 7 |
| 1943 | 2 |
| 1944 | 5 |
| 1945 | 7 |
| 1946 | 22 |
| 1947 | 21 |
| 1948 | 18 |
| 1949 | 28 |
| 1950 | 24 |
| 1951 | 28 |
| 1952 | 17 |
| 1953 | 21 |
| 1954 | 19 |
| 1955 | 22 |
| 1956 | 26 |
| 1957 | 31 |
| 1958 | 28 |
| 1959 | 34 |
| 1960 | 44 |
| 1961 | 47 |
| 1962 | 45 |
| 1963 | 63 |
| 1964 | 56 |
| 1965 | 53 |
| 1966 | 65 |
| 1967 | 53 |
| 1968 | 81 |
| 1969 | 63 |
| 1970 | 89 |
| 1971 | 59 |
| 1972 | 88 |
| 1973 | 74 |
| 1974 | 78 |
| 1975 | 170 |
| 1976 | 202 |
| 1977 | 145 |
| 1978 | 159 |
| 1979 | 163 |
| 1980 | 159 |
| 1981 | 207 |
| 1982 | 209 |
| 1983 | 211 |
| 1984 | 207 |
| 1985 | 212 |
| 1986 | 266 |
| 1987 | 308 |
| 1988 | 368 |
| 1989 | 404 |
| 1990 | 435 |
| 1991 | 486 |
| 1992 | 487 |
| 1993 | 527 |
| 1994 | 531 |
| 1995 | 515 |
| 1996 | 579 |
| 1997 | 632 |
| 1998 | 691 |
| 1999 | 803 |
| 2000 | 1019 |
| 2001 | 1520 |
| 2002 | 1572 |
| 2003 | 1739 |
| 2004 | 1940 |
| 2005 | 2396 |
| 2006 | 2732 |
| 2007 | 3023 |
| 2008 | 3307 |
| 2009 | 3659 |
| 2010 | 3621 |
| 2011 | 3962 |
| 2012 | 4296 |
| 2013 | 4980 |
| 2014 | 5743 |
| 2015 | 6211 |
| 2016 | 7029 |
| 2017 | 7357 |
| 2018 | 8386 |
| 2019 | 9229 |
| 2020 | 10681 |
| 2021 | 11657 |
| 2022 | 12651 |
| 2023 | 12466 |
| 2024 | 4659 |