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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1802 | 1 |
| 1813 | 2 |
| 1814 | 3 |
| 1815 | 4 |
| 1816 | 1 |
| 1817 | 2 |
| 1830 | 1 |
| 1832 | 1 |
| 1841 | 1 |
| 1842 | 2 |
| 1844 | 2 |
| 1845 | 1 |
| 1846 | 2 |
| 1847 | 1 |
| 1848 | 2 |
| 1849 | 1 |
| 1850 | 4 |
| 1851 | 2 |
| 1852 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1857 | 1 |
| 1858 | 1 |
| 1859 | 1 |
| 1865 | 1 |
| 1869 | 1 |
| 1870 | 1 |
| 1872 | 2 |
| 1875 | 1 |
| 1876 | 1 |
| 1877 | 2 |
| 1879 | 1 |
| 1880 | 1 |
| 1883 | 4 |
| 1884 | 5 |
| 1885 | 5 |
| 1886 | 4 |
| 1887 | 5 |
| 1888 | 6 |
| 1889 | 3 |
| 1890 | 5 |
| 1891 | 4 |
| 1892 | 2 |
| 1895 | 1 |
| 1896 | 2 |
| 1897 | 2 |
| 1899 | 2 |
| 1908 | 1 |
| 1910 | 2 |
| 1914 | 1 |
| 1918 | 2 |
| 1921 | 1 |
| 1922 | 2 |
| 1923 | 3 |
| 1925 | 5 |
| 1926 | 3 |
| 1927 | 1 |
| 1929 | 2 |
| 1930 | 6 |
| 1931 | 7 |
| 1932 | 5 |
| 1934 | 3 |
| 1935 | 2 |
| 1936 | 5 |
| 1937 | 9 |
| 1938 | 6 |
| 1939 | 6 |
| 1940 | 6 |
| 1941 | 3 |
| 1942 | 1 |
| 1943 | 5 |
| 1944 | 5 |
| 1945 | 3 |
| 1946 | 8 |
| 1947 | 21 |
| 1948 | 16 |
| 1949 | 10 |
| 1950 | 28 |
| 1951 | 24 |
| 1952 | 26 |
| 1953 | 20 |
| 1954 | 26 |
| 1955 | 25 |
| 1956 | 30 |
| 1957 | 18 |
| 1958 | 28 |
| 1959 | 28 |
| 1960 | 23 |
| 1961 | 21 |
| 1962 | 28 |
| 1963 | 35 |
| 1964 | 47 |
| 1965 | 29 |
| 1966 | 41 |
| 1967 | 53 |
| 1968 | 69 |
| 1969 | 50 |
| 1970 | 56 |
| 1971 | 71 |
| 1972 | 62 |
| 1973 | 60 |
| 1974 | 71 |
| 1975 | 67 |
| 1976 | 58 |
| 1977 | 103 |
| 1978 | 106 |
| 1979 | 93 |
| 1980 | 109 |
| 1981 | 98 |
| 1982 | 110 |
| 1983 | 136 |
| 1984 | 136 |
| 1985 | 150 |
| 1986 | 152 |
| 1987 | 225 |
| 1988 | 273 |
| 1989 | 297 |
| 1990 | 317 |
| 1991 | 351 |
| 1992 | 375 |
| 1993 | 334 |
| 1994 | 370 |
| 1995 | 386 |
| 1996 | 351 |
| 1997 | 413 |
| 1998 | 396 |
| 1999 | 400 |
| 2000 | 454 |
| 2001 | 460 |
| 2002 | 469 |
| 2003 | 475 |
| 2004 | 462 |
| 2005 | 564 |
| 2006 | 590 |
| 2007 | 648 |
| 2008 | 691 |
| 2009 | 756 |
| 2010 | 776 |
| 2011 | 829 |
| 2012 | 943 |
| 2013 | 956 |
| 2014 | 1198 |
| 2015 | 1300 |
| 2016 | 1382 |
| 2017 | 1278 |
| 2018 | 1298 |
| 2019 | 1252 |
| 2020 | 1375 |
| 2021 | 1516 |
| 2022 | 1417 |
| 2023 | 1354 |
| 2024 | 1281 |
| 2025 | 990 |
| 2026 | 1 |