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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1886 1
1890 1
1898 1
1902 1
1904 2
1909 4
1916 1
1917 1
1918 1
1920 1
1921 1
1924 1
1925 3
1926 4
1927 2
1930 1
1937 1
1939 2
1941 1
1946 4
1948 1
1954 2
1955 1
1958 1
1959 2
1960 3
1961 7
1962 9
1963 6
1964 2
1965 4
1966 3
1967 7
1968 2
1969 6
1970 7
1971 3
1972 4
1973 7
1974 3
1975 2
1976 4
1977 3
1978 6
1979 3
1980 11
1981 5
1982 3
1983 8
1984 6
1985 5
1986 7
1987 1
1988 10
1989 7
1990 5
1991 4
1992 3
1993 5
1994 4
1995 4
1996 7
1997 4
1998 3
1999 6
2000 5
2001 5
2002 6
2003 12
2004 10
2005 20
2006 36
2007 61
2008 82
2009 107
2010 44
2011 44
2012 46
2013 40
2014 36
2015 41
2016 43
2017 23
2018 18
2019 25
2020 6
Text availability
Article attribute
Article type
Publication date

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864 results
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