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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1859 | 1 |
| 1862 | 2 |
| 1864 | 2 |
| 1865 | 1 |
| 1866 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1879 | 5 |
| 1881 | 4 |
| 1882 | 1 |
| 1886 | 1 |
| 1888 | 1 |
| 1892 | 1 |
| 1893 | 5 |
| 1896 | 1 |
| 1898 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1909 | 1 |
| 1919 | 1 |
| 1920 | 1 |
| 1928 | 1 |
| 1932 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1940 | 1 |
| 1946 | 8 |
| 1947 | 15 |
| 1948 | 14 |
| 1949 | 8 |
| 1950 | 7 |
| 1951 | 15 |
| 1952 | 11 |
| 1953 | 13 |
| 1954 | 11 |
| 1955 | 11 |
| 1956 | 8 |
| 1957 | 8 |
| 1958 | 8 |
| 1959 | 11 |
| 1960 | 9 |
| 1961 | 9 |
| 1962 | 11 |
| 1963 | 10 |
| 1964 | 14 |
| 1965 | 17 |
| 1966 | 12 |
| 1967 | 15 |
| 1968 | 16 |
| 1969 | 31 |
| 1970 | 27 |
| 1971 | 19 |
| 1972 | 24 |
| 1973 | 34 |
| 1974 | 19 |
| 1975 | 30 |
| 1976 | 40 |
| 1977 | 43 |
| 1978 | 24 |
| 1979 | 31 |
| 1980 | 34 |
| 1981 | 24 |
| 1982 | 20 |
| 1983 | 14 |
| 1984 | 23 |
| 1985 | 17 |
| 1986 | 34 |
| 1987 | 28 |
| 1988 | 24 |
| 1989 | 30 |
| 1990 | 29 |
| 1991 | 42 |
| 1992 | 52 |
| 1993 | 44 |
| 1994 | 58 |
| 1995 | 53 |
| 1996 | 53 |
| 1997 | 49 |
| 1998 | 49 |
| 1999 | 34 |
| 2000 | 59 |
| 2001 | 63 |
| 2002 | 48 |
| 2003 | 61 |
| 2004 | 47 |
| 2005 | 52 |
| 2006 | 82 |
| 2007 | 68 |
| 2008 | 69 |
| 2009 | 98 |
| 2010 | 72 |
| 2011 | 89 |
| 2012 | 105 |
| 2013 | 99 |
| 2014 | 97 |
| 2015 | 97 |
| 2016 | 95 |
| 2017 | 82 |
| 2018 | 93 |
| 2019 | 74 |
| 2020 | 101 |
| 2021 | 105 |
| 2022 | 108 |
| 2023 | 123 |
| 2024 | 105 |
| 2025 | 1 |