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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1842 | 1 |
| 1864 | 2 |
| 1869 | 1 |
| 1891 | 1 |
| 1893 | 1 |
| 1897 | 4 |
| 1898 | 2 |
| 1899 | 1 |
| 1900 | 2 |
| 1902 | 1 |
| 1903 | 2 |
| 1906 | 1 |
| 1909 | 2 |
| 1910 | 1 |
| 1911 | 1 |
| 1912 | 2 |
| 1914 | 1 |
| 1915 | 2 |
| 1916 | 2 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 3 |
| 1920 | 1 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1926 | 2 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 2 |
| 1931 | 1 |
| 1934 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1946 | 3 |
| 1947 | 3 |
| 1948 | 1 |
| 1949 | 3 |
| 1950 | 2 |
| 1952 | 4 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 4 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 2 |
| 1962 | 3 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 3 |
| 1970 | 7 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 6 |
| 1974 | 3 |
| 1975 | 1 |
| 1976 | 6 |
| 1977 | 7 |
| 1978 | 6 |
| 1979 | 1 |
| 1980 | 7 |
| 1981 | 8 |
| 1982 | 11 |
| 1983 | 11 |
| 1984 | 12 |
| 1985 | 20 |
| 1986 | 14 |
| 1987 | 14 |
| 1988 | 13 |
| 1989 | 18 |
| 1990 | 14 |
| 1991 | 16 |
| 1992 | 14 |
| 1993 | 18 |
| 1994 | 22 |
| 1995 | 20 |
| 1996 | 15 |
| 1997 | 18 |
| 1998 | 27 |
| 1999 | 27 |
| 2000 | 34 |
| 2001 | 41 |
| 2002 | 47 |
| 2003 | 55 |
| 2004 | 49 |
| 2005 | 61 |
| 2006 | 54 |
| 2007 | 56 |
| 2008 | 74 |
| 2009 | 76 |
| 2010 | 65 |
| 2011 | 92 |
| 2012 | 84 |
| 2013 | 108 |
| 2014 | 90 |
| 2015 | 98 |
| 2016 | 109 |
| 2017 | 113 |
| 2018 | 130 |
| 2019 | 113 |
| 2020 | 158 |
| 2021 | 129 |
| 2022 | 125 |
| 2023 | 119 |
| 2024 | 132 |
| 2025 | 118 |