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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1803 | 1 |
| 1808 | 2 |
| 1823 | 1 |
| 1824 | 2 |
| 1839 | 3 |
| 1840 | 1 |
| 1841 | 4 |
| 1842 | 4 |
| 1843 | 5 |
| 1844 | 1 |
| 1845 | 5 |
| 1846 | 7 |
| 1847 | 4 |
| 1848 | 3 |
| 1849 | 1 |
| 1850 | 1 |
| 1851 | 2 |
| 1853 | 9 |
| 1854 | 3 |
| 1855 | 3 |
| 1856 | 3 |
| 1857 | 1 |
| 1860 | 2 |
| 1864 | 2 |
| 1867 | 3 |
| 1869 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1873 | 1 |
| 1875 | 2 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1881 | 3 |
| 1885 | 2 |
| 1886 | 3 |
| 1887 | 1 |
| 1888 | 3 |
| 1889 | 4 |
| 1890 | 2 |
| 1892 | 3 |
| 1893 | 4 |
| 1894 | 4 |
| 1895 | 4 |
| 1896 | 2 |
| 1897 | 5 |
| 1898 | 1 |
| 1899 | 4 |
| 1900 | 1 |
| 1901 | 4 |
| 1902 | 1 |
| 1903 | 3 |
| 1904 | 2 |
| 1905 | 4 |
| 1906 | 4 |
| 1907 | 2 |
| 1908 | 3 |
| 1909 | 3 |
| 1910 | 3 |
| 1911 | 6 |
| 1912 | 5 |
| 1913 | 3 |
| 1914 | 1 |
| 1915 | 5 |
| 1916 | 3 |
| 1917 | 3 |
| 1918 | 1 |
| 1919 | 5 |
| 1920 | 5 |
| 1921 | 3 |
| 1922 | 7 |
| 1923 | 4 |
| 1924 | 9 |
| 1925 | 5 |
| 1926 | 16 |
| 1927 | 7 |
| 1928 | 14 |
| 1929 | 13 |
| 1930 | 9 |
| 1931 | 5 |
| 1932 | 7 |
| 1933 | 14 |
| 1934 | 10 |
| 1935 | 12 |
| 1936 | 7 |
| 1937 | 14 |
| 1938 | 7 |
| 1939 | 14 |
| 1940 | 8 |
| 1941 | 8 |
| 1942 | 10 |
| 1943 | 10 |
| 1944 | 6 |
| 1945 | 20 |
| 1946 | 50 |
| 1947 | 61 |
| 1948 | 79 |
| 1949 | 67 |
| 1950 | 80 |
| 1951 | 69 |
| 1952 | 62 |
| 1953 | 84 |
| 1954 | 74 |
| 1955 | 66 |
| 1956 | 84 |
| 1957 | 65 |
| 1958 | 67 |
| 1959 | 61 |
| 1960 | 77 |
| 1961 | 72 |
| 1962 | 52 |
| 1963 | 76 |
| 1964 | 80 |
| 1965 | 109 |
| 1966 | 119 |
| 1967 | 138 |
| 1968 | 123 |
| 1969 | 174 |
| 1970 | 149 |
| 1971 | 160 |
| 1972 | 174 |
| 1973 | 161 |
| 1974 | 212 |
| 1975 | 193 |
| 1976 | 231 |
| 1977 | 203 |
| 1978 | 213 |
| 1979 | 222 |
| 1980 | 241 |
| 1981 | 248 |
| 1982 | 231 |
| 1983 | 283 |
| 1984 | 314 |
| 1985 | 307 |
| 1986 | 314 |
| 1987 | 357 |
| 1988 | 377 |
| 1989 | 425 |
| 1990 | 406 |
| 1991 | 421 |
| 1992 | 483 |
| 1993 | 471 |
| 1994 | 485 |
| 1995 | 500 |
| 1996 | 521 |
| 1997 | 530 |
| 1998 | 493 |
| 1999 | 564 |
| 2000 | 562 |
| 2001 | 567 |
| 2002 | 547 |
| 2003 | 617 |
| 2004 | 667 |
| 2005 | 766 |
| 2006 | 799 |
| 2007 | 836 |
| 2008 | 869 |
| 2009 | 905 |
| 2010 | 998 |
| 2011 | 1063 |
| 2012 | 1172 |
| 2013 | 1277 |
| 2014 | 1329 |
| 2015 | 1439 |
| 2016 | 1490 |
| 2017 | 1497 |
| 2018 | 1515 |
| 2019 | 1479 |
| 2020 | 1773 |
| 2021 | 1768 |
| 2022 | 1726 |
| 2023 | 1632 |
| 2024 | 1323 |
| 2025 | 2 |