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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1828 | 1 |
| 1855 | 1 |
| 1869 | 1 |
| 1871 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1888 | 1 |
| 1891 | 1 |
| 1894 | 1 |
| 1897 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1920 | 1 |
| 1922 | 1 |
| 1929 | 1 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1945 | 3 |
| 1946 | 4 |
| 1947 | 6 |
| 1948 | 6 |
| 1949 | 9 |
| 1950 | 12 |
| 1951 | 13 |
| 1952 | 17 |
| 1953 | 13 |
| 1954 | 8 |
| 1955 | 13 |
| 1956 | 19 |
| 1957 | 13 |
| 1958 | 11 |
| 1959 | 9 |
| 1960 | 14 |
| 1961 | 14 |
| 1962 | 12 |
| 1963 | 23 |
| 1964 | 17 |
| 1965 | 18 |
| 1966 | 22 |
| 1967 | 24 |
| 1968 | 27 |
| 1969 | 37 |
| 1970 | 25 |
| 1971 | 23 |
| 1972 | 31 |
| 1973 | 27 |
| 1974 | 37 |
| 1975 | 41 |
| 1976 | 33 |
| 1977 | 38 |
| 1978 | 46 |
| 1979 | 55 |
| 1980 | 43 |
| 1981 | 39 |
| 1982 | 50 |
| 1983 | 46 |
| 1984 | 55 |
| 1985 | 46 |
| 1986 | 43 |
| 1987 | 45 |
| 1988 | 77 |
| 1989 | 76 |
| 1990 | 78 |
| 1991 | 74 |
| 1992 | 57 |
| 1993 | 71 |
| 1994 | 77 |
| 1995 | 65 |
| 1996 | 69 |
| 1997 | 80 |
| 1998 | 72 |
| 1999 | 87 |
| 2000 | 93 |
| 2001 | 95 |
| 2002 | 94 |
| 2003 | 99 |
| 2004 | 89 |
| 2005 | 87 |
| 2006 | 97 |
| 2007 | 119 |
| 2008 | 117 |
| 2009 | 110 |
| 2010 | 135 |
| 2011 | 128 |
| 2012 | 128 |
| 2013 | 136 |
| 2014 | 134 |
| 2015 | 148 |
| 2016 | 152 |
| 2017 | 146 |
| 2018 | 147 |
| 2019 | 133 |
| 2020 | 117 |
| 2021 | 97 |
| 2022 | 82 |
| 2023 | 83 |
| 2024 | 42 |