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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1846 | 1 |
| 1852 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1857 | 1 |
| 1859 | 2 |
| 1862 | 1 |
| 1863 | 1 |
| 1864 | 6 |
| 1865 | 1 |
| 1868 | 1 |
| 1870 | 1 |
| 1872 | 1 |
| 1875 | 1 |
| 1876 | 2 |
| 1878 | 1 |
| 1882 | 1 |
| 1884 | 1 |
| 1886 | 4 |
| 1887 | 6 |
| 1889 | 3 |
| 1890 | 2 |
| 1891 | 3 |
| 1892 | 2 |
| 1893 | 4 |
| 1894 | 2 |
| 1895 | 1 |
| 1896 | 5 |
| 1897 | 4 |
| 1898 | 2 |
| 1900 | 2 |
| 1901 | 2 |
| 1902 | 4 |
| 1903 | 3 |
| 1904 | 2 |
| 1906 | 1 |
| 1907 | 2 |
| 1908 | 4 |
| 1909 | 5 |
| 1911 | 2 |
| 1912 | 3 |
| 1913 | 7 |
| 1914 | 4 |
| 1915 | 3 |
| 1916 | 6 |
| 1917 | 3 |
| 1918 | 3 |
| 1920 | 5 |
| 1921 | 4 |
| 1922 | 8 |
| 1923 | 3 |
| 1924 | 2 |
| 1925 | 3 |
| 1926 | 2 |
| 1927 | 7 |
| 1928 | 2 |
| 1929 | 4 |
| 1931 | 6 |
| 1932 | 7 |
| 1934 | 4 |
| 1935 | 2 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 4 |
| 1940 | 3 |
| 1941 | 1 |
| 1942 | 3 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 23 |
| 1946 | 59 |
| 1947 | 77 |
| 1948 | 48 |
| 1949 | 61 |
| 1950 | 86 |
| 1951 | 145 |
| 1952 | 137 |
| 1953 | 154 |
| 1954 | 131 |
| 1955 | 128 |
| 1956 | 113 |
| 1957 | 123 |
| 1958 | 126 |
| 1959 | 136 |
| 1960 | 136 |
| 1961 | 118 |
| 1962 | 120 |
| 1963 | 116 |
| 1964 | 132 |
| 1965 | 151 |
| 1966 | 147 |
| 1967 | 137 |
| 1968 | 166 |
| 1969 | 158 |
| 1970 | 226 |
| 1971 | 437 |
| 1972 | 732 |
| 1973 | 747 |
| 1974 | 746 |
| 1975 | 841 |
| 1976 | 780 |
| 1977 | 727 |
| 1978 | 714 |
| 1979 | 723 |
| 1980 | 793 |
| 1981 | 769 |
| 1982 | 853 |
| 1983 | 961 |
| 1984 | 954 |
| 1985 | 1005 |
| 1986 | 1048 |
| 1987 | 1052 |
| 1988 | 1193 |
| 1989 | 1223 |
| 1990 | 1232 |
| 1991 | 1292 |
| 1992 | 1417 |
| 1993 | 1509 |
| 1994 | 1587 |
| 1995 | 1700 |
| 1996 | 1812 |
| 1997 | 1956 |
| 1998 | 1965 |
| 1999 | 2048 |
| 2000 | 2043 |
| 2001 | 2114 |
| 2002 | 2301 |
| 2003 | 2468 |
| 2004 | 2645 |
| 2005 | 2826 |
| 2006 | 2997 |
| 2007 | 3195 |
| 2008 | 3386 |
| 2009 | 3341 |
| 2010 | 3553 |
| 2011 | 3762 |
| 2012 | 3894 |
| 2013 | 4222 |
| 2014 | 4305 |
| 2015 | 4234 |
| 2016 | 4117 |
| 2017 | 4199 |
| 2018 | 4162 |
| 2019 | 4359 |
| 2020 | 4491 |
| 2021 | 4744 |
| 2022 | 4450 |
| 2023 | 4225 |
| 2024 | 4131 |
| 2025 | 4485 |
| 2026 | 3135 |
| 2027 | 3 |