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Results by year

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

Year Number of Results
1984 1
1986 4
1987 3
1988 7
1989 2
1990 1
1991 2
1992 4
1993 4
1994 3
1995 5
1996 3
1997 16
1998 13
1999 19
2000 14
2001 12
2002 13
2003 20
2004 20
2005 21
2006 24
2007 24
2008 34
2009 69
2010 53
2011 34
2012 23
2013 25
2014 23
2015 18
2016 19
2017 28
2018 26
2019 28
2020 7
Text availability
Article attribute
Article type
Publication date

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560 results
Results by year
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