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

Year Number of Results
1965 2
1966 1
1967 1
1968 5
1969 2
1970 5
1971 4
1972 6
1973 3
1974 4
1975 3
1976 3
1977 2
1978 3
1979 2
1980 4
1981 3
1982 1
1983 6
1984 3
1985 4
1986 3
1987 1
1988 2
1989 5
1990 4
1991 6
1992 14
1993 5
1994 6
1995 10
1996 11
1997 8
1998 15
1999 14
2000 11
2001 12
2002 10
2003 19
2004 16
2005 19
2006 18
2007 19
2008 15
2009 22
2010 25
2011 29
2012 22
2013 24
2014 28
2015 29
2016 19
2017 21
2018 27
2019 13
2020 1
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Article attribute
Article type
Publication date

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525 results
Results by year
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