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Results by year

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

Year Number of Results
1987 3
1991 1
1994 1
1995 1
1996 1
1997 1
1998 4
1999 8
2000 6
2001 10
2002 18
2003 14
2004 16
2005 11
2006 15
2007 20
2008 28
2009 28
2010 37
2011 41
2012 39
2013 41
2014 43
2015 48
2016 38
2017 42
2018 45
2019 43
2020 10
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Article attribute
Article type
Publication date

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548 results
Results by year
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