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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1846 | 1 |
| 1855 | 1 |
| 1862 | 1 |
| 1866 | 2 |
| 1872 | 1 |
| 1873 | 2 |
| 1881 | 1 |
| 1883 | 1 |
| 1892 | 1 |
| 1894 | 1 |
| 1897 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1913 | 2 |
| 1914 | 1 |
| 1915 | 2 |
| 1916 | 6 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 2 |
| 1925 | 1 |
| 1926 | 2 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 1 |
| 1931 | 2 |
| 1932 | 2 |
| 1933 | 4 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 3 |
| 1937 | 1 |
| 1938 | 2 |
| 1939 | 1 |
| 1941 | 1 |
| 1943 | 1 |
| 1945 | 4 |
| 1946 | 10 |
| 1947 | 11 |
| 1948 | 15 |
| 1949 | 9 |
| 1950 | 18 |
| 1951 | 14 |
| 1952 | 22 |
| 1953 | 11 |
| 1954 | 17 |
| 1955 | 25 |
| 1956 | 19 |
| 1957 | 20 |
| 1958 | 19 |
| 1959 | 16 |
| 1960 | 22 |
| 1961 | 23 |
| 1962 | 17 |
| 1963 | 27 |
| 1964 | 28 |
| 1965 | 38 |
| 1966 | 46 |
| 1967 | 29 |
| 1968 | 43 |
| 1969 | 45 |
| 1970 | 63 |
| 1971 | 49 |
| 1972 | 53 |
| 1973 | 77 |
| 1974 | 50 |
| 1975 | 80 |
| 1976 | 61 |
| 1977 | 75 |
| 1978 | 71 |
| 1979 | 77 |
| 1980 | 72 |
| 1981 | 88 |
| 1982 | 108 |
| 1983 | 102 |
| 1984 | 108 |
| 1985 | 120 |
| 1986 | 130 |
| 1987 | 154 |
| 1988 | 160 |
| 1989 | 156 |
| 1990 | 124 |
| 1991 | 184 |
| 1992 | 137 |
| 1993 | 170 |
| 1994 | 192 |
| 1995 | 215 |
| 1996 | 180 |
| 1997 | 227 |
| 1998 | 216 |
| 1999 | 241 |
| 2000 | 263 |
| 2001 | 265 |
| 2002 | 321 |
| 2003 | 354 |
| 2004 | 370 |
| 2005 | 400 |
| 2006 | 420 |
| 2007 | 432 |
| 2008 | 452 |
| 2009 | 486 |
| 2010 | 480 |
| 2011 | 575 |
| 2012 | 613 |
| 2013 | 660 |
| 2014 | 643 |
| 2015 | 749 |
| 2016 | 783 |
| 2017 | 791 |
| 2018 | 784 |
| 2019 | 780 |
| 2020 | 887 |
| 2021 | 980 |
| 2022 | 954 |
| 2023 | 873 |
| 2024 | 898 |
| 2025 | 674 |