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Results by year

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

Year Number of Results
1979 1
1980 2
1987 2
1988 1
1994 1
1995 4
1996 2
1997 1
1999 2
2000 5
2001 6
2002 4
2003 6
2004 8
2005 3
2006 5
2007 10
2008 7
2009 13
2010 18
2011 16
2012 11
2013 6
2014 9
2015 12
2016 6
2017 5
2018 8
2019 5
2020 3
2021 4
Text availability
Article attribute
Article type
Publication date

Search Results

178 results
Results by year
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178 results
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