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Results by year

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

Year Number of Results
1975 2
1976 2
1978 2
1981 2
1982 3
1983 1
1984 7
1985 3
1986 1
1987 4
1988 4
1989 5
1990 9
1991 5
1992 10
1993 15
1994 12
1995 15
1996 23
1997 20
1998 10
1999 12
2000 15
2001 7
2002 15
2003 14
2004 28
2005 32
2006 39
2007 49
2008 50
2009 37
2010 48
2011 37
2012 29
2013 30
2014 46
2015 76
2016 68
2017 57
2018 58
2019 33
2020 11
Text availability
Article attribute
Article type
Publication date

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878 results
Results by year
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