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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1823 | 1 |
| 1859 | 1 |
| 1872 | 1 |
| 1875 | 1 |
| 1882 | 1 |
| 1888 | 1 |
| 1895 | 2 |
| 1897 | 3 |
| 1899 | 1 |
| 1900 | 2 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 2 |
| 1907 | 1 |
| 1908 | 3 |
| 1909 | 2 |
| 1910 | 3 |
| 1911 | 1 |
| 1912 | 2 |
| 1916 | 1 |
| 1920 | 1 |
| 1921 | 1 |
| 1923 | 1 |
| 1925 | 2 |
| 1926 | 1 |
| 1927 | 2 |
| 1930 | 1 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 2 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 6 |
| 1948 | 9 |
| 1949 | 6 |
| 1950 | 7 |
| 1951 | 11 |
| 1952 | 13 |
| 1953 | 13 |
| 1954 | 14 |
| 1955 | 17 |
| 1956 | 14 |
| 1957 | 9 |
| 1958 | 13 |
| 1959 | 10 |
| 1960 | 18 |
| 1961 | 13 |
| 1962 | 12 |
| 1963 | 19 |
| 1964 | 10 |
| 1965 | 17 |
| 1966 | 25 |
| 1967 | 29 |
| 1968 | 29 |
| 1969 | 33 |
| 1970 | 33 |
| 1971 | 46 |
| 1972 | 45 |
| 1973 | 45 |
| 1974 | 48 |
| 1975 | 43 |
| 1976 | 52 |
| 1977 | 60 |
| 1978 | 43 |
| 1979 | 37 |
| 1980 | 59 |
| 1981 | 53 |
| 1982 | 57 |
| 1983 | 84 |
| 1984 | 69 |
| 1985 | 51 |
| 1986 | 65 |
| 1987 | 74 |
| 1988 | 81 |
| 1989 | 76 |
| 1990 | 82 |
| 1991 | 85 |
| 1992 | 109 |
| 1993 | 105 |
| 1994 | 140 |
| 1995 | 138 |
| 1996 | 123 |
| 1997 | 136 |
| 1998 | 138 |
| 1999 | 149 |
| 2000 | 156 |
| 2001 | 180 |
| 2002 | 216 |
| 2003 | 202 |
| 2004 | 246 |
| 2005 | 312 |
| 2006 | 330 |
| 2007 | 336 |
| 2008 | 387 |
| 2009 | 366 |
| 2010 | 411 |
| 2011 | 403 |
| 2012 | 453 |
| 2013 | 465 |
| 2014 | 476 |
| 2015 | 549 |
| 2016 | 590 |
| 2017 | 575 |
| 2018 | 556 |
| 2019 | 538 |
| 2020 | 610 |
| 2021 | 684 |
| 2022 | 667 |
| 2023 | 618 |
| 2024 | 585 |
| 2025 | 432 |