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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1792 | 1 |
| 1802 | 1 |
| 1818 | 13 |
| 1821 | 1 |
| 1823 | 1 |
| 1824 | 1 |
| 1831 | 1 |
| 1837 | 2 |
| 1838 | 1 |
| 1844 | 2 |
| 1845 | 1 |
| 1847 | 1 |
| 1850 | 1 |
| 1851 | 1 |
| 1855 | 1 |
| 1856 | 2 |
| 1858 | 1 |
| 1859 | 1 |
| 1860 | 2 |
| 1862 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1873 | 1 |
| 1875 | 2 |
| 1878 | 2 |
| 1880 | 11 |
| 1881 | 22 |
| 1882 | 27 |
| 1883 | 47 |
| 1884 | 30 |
| 1885 | 32 |
| 1886 | 25 |
| 1887 | 36 |
| 1888 | 18 |
| 1889 | 15 |
| 1890 | 94 |
| 1891 | 96 |
| 1892 | 85 |
| 1893 | 56 |
| 1894 | 56 |
| 1895 | 125 |
| 1896 | 121 |
| 1897 | 136 |
| 1898 | 87 |
| 1899 | 66 |
| 1900 | 87 |
| 1901 | 99 |
| 1902 | 31 |
| 1903 | 13 |
| 1904 | 5 |
| 1905 | 4 |
| 1906 | 4 |
| 1907 | 2 |
| 1908 | 7 |
| 1909 | 4 |
| 1910 | 4 |
| 1911 | 2 |
| 1912 | 1 |
| 1913 | 2 |
| 1914 | 2 |
| 1915 | 1 |
| 1917 | 1 |
| 1920 | 2 |
| 1922 | 2 |
| 1925 | 3 |
| 1926 | 1 |
| 1927 | 6 |
| 1928 | 5 |
| 1929 | 3 |
| 1930 | 1 |
| 1931 | 6 |
| 1932 | 3 |
| 1933 | 6 |
| 1934 | 5 |
| 1935 | 7 |
| 1936 | 5 |
| 1937 | 7 |
| 1938 | 24 |
| 1939 | 21 |
| 1940 | 14 |
| 1941 | 15 |
| 1942 | 10 |
| 1943 | 15 |
| 1944 | 16 |
| 1945 | 85 |
| 1946 | 204 |
| 1947 | 218 |
| 1948 | 101 |
| 1949 | 68 |
| 1950 | 209 |
| 1951 | 195 |
| 1952 | 70 |
| 1953 | 63 |
| 1954 | 52 |
| 1955 | 50 |
| 1956 | 67 |
| 1957 | 59 |
| 1958 | 72 |
| 1959 | 202 |
| 1960 | 463 |
| 1961 | 472 |
| 1962 | 431 |
| 1963 | 308 |
| 1964 | 446 |
| 1965 | 1512 |
| 1966 | 2414 |
| 1967 | 3129 |
| 1968 | 3372 |
| 1969 | 3661 |
| 1970 | 3908 |
| 1971 | 4450 |
| 1972 | 4574 |
| 1973 | 4371 |
| 1974 | 4083 |
| 1975 | 4349 |
| 1976 | 4150 |
| 1977 | 4293 |
| 1978 | 4442 |
| 1979 | 4320 |
| 1980 | 4368 |
| 1981 | 4560 |
| 1982 | 4224 |
| 1983 | 4403 |
| 1984 | 4921 |
| 1985 | 4538 |
| 1986 | 4763 |
| 1987 | 5896 |
| 1988 | 6986 |
| 1989 | 7412 |
| 1990 | 7967 |
| 1991 | 7944 |
| 1992 | 8183 |
| 1993 | 8062 |
| 1994 | 8154 |
| 1995 | 8227 |
| 1996 | 8453 |
| 1997 | 9056 |
| 1998 | 9471 |
| 1999 | 9669 |
| 2000 | 10512 |
| 2001 | 11191 |
| 2002 | 11363 |
| 2003 | 11814 |
| 2004 | 12647 |
| 2005 | 14101 |
| 2006 | 15948 |
| 2007 | 16403 |
| 2008 | 17283 |
| 2009 | 18160 |
| 2010 | 19666 |
| 2011 | 22082 |
| 2012 | 24292 |
| 2013 | 25042 |
| 2014 | 28615 |
| 2015 | 31354 |
| 2016 | 33333 |
| 2017 | 34973 |
| 2018 | 36187 |
| 2019 | 39206 |
| 2020 | 44079 |
| 2021 | 47332 |
| 2022 | 46295 |
| 2023 | 42847 |
| 2024 | 15163 |