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Results by year

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

Year Number of Results
1981 1
1983 1
1985 2
1989 1
1991 2
1993 1
1994 1
1996 1
1997 2
1999 7
2000 6
2001 9
2002 9
2003 11
2004 2
2005 8
2006 6
2007 12
2008 10
2009 7
2010 7
2011 7
2012 11
2013 6
2014 6
2015 8
2016 10
2017 9
2018 8
2019 1
2020 12
2021 5
Text availability
Article attribute
Article type
Publication date

Search Results

171 results
Results by year
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171 results
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