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Results by year

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

Year Number of Results
1986 1
1988 2
1989 1
1990 1
1991 1
1995 1
1996 1
1998 5
1999 8
2000 12
2001 12
2002 20
2003 6
2004 10
2005 9
2006 4
2007 10
2008 2
2009 5
2010 8
2011 11
2012 4
2013 13
2014 11
2015 20
2016 17
2017 25
2018 25
2019 17
2020 22
2021 10
Text availability
Article attribute
Article type
Publication date

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265 results
Results by year
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265 results
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