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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1814 | 1 |
| 1843 | 1 |
| 1847 | 1 |
| 1848 | 1 |
| 1849 | 1 |
| 1851 | 2 |
| 1853 | 5 |
| 1854 | 2 |
| 1856 | 1 |
| 1857 | 1 |
| 1860 | 1 |
| 1864 | 1 |
| 1870 | 3 |
| 1873 | 2 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 3 |
| 1880 | 1 |
| 1884 | 1 |
| 1885 | 2 |
| 1886 | 1 |
| 1887 | 3 |
| 1888 | 2 |
| 1889 | 2 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 1 |
| 1893 | 2 |
| 1894 | 2 |
| 1895 | 11 |
| 1896 | 5 |
| 1897 | 5 |
| 1898 | 2 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 3 |
| 1904 | 3 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 2 |
| 1908 | 2 |
| 1909 | 1 |
| 1912 | 4 |
| 1913 | 6 |
| 1914 | 6 |
| 1915 | 5 |
| 1916 | 3 |
| 1917 | 3 |
| 1918 | 2 |
| 1919 | 10 |
| 1920 | 4 |
| 1921 | 8 |
| 1922 | 6 |
| 1923 | 2 |
| 1924 | 3 |
| 1925 | 7 |
| 1926 | 2 |
| 1927 | 5 |
| 1928 | 8 |
| 1929 | 8 |
| 1930 | 9 |
| 1931 | 5 |
| 1932 | 12 |
| 1933 | 8 |
| 1934 | 7 |
| 1936 | 6 |
| 1938 | 2 |
| 1939 | 4 |
| 1940 | 4 |
| 1941 | 8 |
| 1942 | 2 |
| 1943 | 6 |
| 1944 | 8 |
| 1945 | 13 |
| 1946 | 49 |
| 1947 | 58 |
| 1948 | 55 |
| 1949 | 61 |
| 1950 | 63 |
| 1951 | 70 |
| 1952 | 75 |
| 1953 | 60 |
| 1954 | 63 |
| 1955 | 85 |
| 1956 | 97 |
| 1957 | 91 |
| 1958 | 87 |
| 1959 | 94 |
| 1960 | 83 |
| 1961 | 94 |
| 1962 | 93 |
| 1963 | 100 |
| 1964 | 125 |
| 1965 | 110 |
| 1966 | 145 |
| 1967 | 161 |
| 1968 | 179 |
| 1969 | 190 |
| 1970 | 230 |
| 1971 | 223 |
| 1972 | 263 |
| 1973 | 286 |
| 1974 | 289 |
| 1975 | 294 |
| 1976 | 298 |
| 1977 | 343 |
| 1978 | 376 |
| 1979 | 429 |
| 1980 | 408 |
| 1981 | 469 |
| 1982 | 514 |
| 1983 | 547 |
| 1984 | 589 |
| 1985 | 600 |
| 1986 | 632 |
| 1987 | 690 |
| 1988 | 677 |
| 1989 | 703 |
| 1990 | 786 |
| 1991 | 849 |
| 1992 | 854 |
| 1993 | 912 |
| 1994 | 897 |
| 1995 | 901 |
| 1996 | 947 |
| 1997 | 908 |
| 1998 | 932 |
| 1999 | 1036 |
| 2000 | 1137 |
| 2001 | 1139 |
| 2002 | 1103 |
| 2003 | 1243 |
| 2004 | 1299 |
| 2005 | 1453 |
| 2006 | 1580 |
| 2007 | 1662 |
| 2008 | 1900 |
| 2009 | 1886 |
| 2010 | 2056 |
| 2011 | 2239 |
| 2012 | 2351 |
| 2013 | 2564 |
| 2014 | 2609 |
| 2015 | 2874 |
| 2016 | 2848 |
| 2017 | 3016 |
| 2018 | 3223 |
| 2019 | 3247 |
| 2020 | 3569 |
| 2021 | 3838 |
| 2022 | 3668 |
| 2023 | 3499 |
| 2024 | 1577 |