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Results by year

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

Year Number of Results
1990 1
1992 2
1993 4
1994 2
1995 2
1996 8
1997 1
1998 8
1999 9
2000 13
2001 11
2002 15
2003 5
2004 14
2005 20
2006 20
2007 24
2008 34
2009 44
2010 44
2011 65
2012 49
2013 50
2014 59
2015 69
2016 65
2017 58
2018 49
2019 58
2020 2
Text availability
Article attribute
Article type
Publication date

Search Results

716 results
Results by year
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