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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1842 | 1 |
| 1848 | 1 |
| 1851 | 1 |
| 1881 | 1 |
| 1883 | 1 |
| 1889 | 1 |
| 1892 | 1 |
| 1894 | 1 |
| 1897 | 2 |
| 1902 | 1 |
| 1904 | 1 |
| 1906 | 4 |
| 1909 | 1 |
| 1911 | 2 |
| 1913 | 3 |
| 1916 | 1 |
| 1917 | 3 |
| 1918 | 1 |
| 1920 | 2 |
| 1922 | 3 |
| 1925 | 2 |
| 1926 | 2 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 7 |
| 1930 | 6 |
| 1931 | 4 |
| 1932 | 7 |
| 1933 | 7 |
| 1934 | 4 |
| 1936 | 8 |
| 1937 | 1 |
| 1938 | 1 |
| 1940 | 3 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 2 |
| 1947 | 7 |
| 1948 | 4 |
| 1949 | 1 |
| 1950 | 25 |
| 1951 | 16 |
| 1952 | 20 |
| 1953 | 18 |
| 1954 | 10 |
| 1955 | 16 |
| 1956 | 11 |
| 1957 | 20 |
| 1958 | 19 |
| 1959 | 11 |
| 1960 | 12 |
| 1961 | 5 |
| 1962 | 6 |
| 1963 | 8 |
| 1964 | 18 |
| 1965 | 36 |
| 1966 | 15 |
| 1967 | 15 |
| 1968 | 21 |
| 1969 | 34 |
| 1970 | 25 |
| 1971 | 35 |
| 1972 | 21 |
| 1973 | 26 |
| 1974 | 24 |
| 1975 | 24 |
| 1976 | 32 |
| 1977 | 18 |
| 1978 | 14 |
| 1979 | 30 |
| 1980 | 24 |
| 1981 | 17 |
| 1982 | 31 |
| 1983 | 28 |
| 1984 | 30 |
| 1985 | 21 |
| 1986 | 26 |
| 1987 | 96 |
| 1988 | 174 |
| 1989 | 197 |
| 1990 | 230 |
| 1991 | 277 |
| 1992 | 319 |
| 1993 | 332 |
| 1994 | 321 |
| 1995 | 307 |
| 1996 | 351 |
| 1997 | 357 |
| 1998 | 356 |
| 1999 | 399 |
| 2000 | 480 |
| 2001 | 485 |
| 2002 | 469 |
| 2003 | 551 |
| 2004 | 595 |
| 2005 | 619 |
| 2006 | 710 |
| 2007 | 736 |
| 2008 | 783 |
| 2009 | 755 |
| 2010 | 811 |
| 2011 | 865 |
| 2012 | 949 |
| 2013 | 1322 |
| 2014 | 2042 |
| 2015 | 2521 |
| 2016 | 2793 |
| 2017 | 2933 |
| 2018 | 3182 |
| 2019 | 3501 |
| 2020 | 4025 |
| 2021 | 4455 |
| 2022 | 4229 |
| 2023 | 3919 |
| 2024 | 1577 |