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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
1984 1
1992 1
1995 1
1996 1
1997 2
1998 4
1999 7
2000 8
2001 15
2002 14
2003 30
2004 24
2005 16
2006 18
2007 7
2008 18
2009 15
2010 18
2011 9
2012 7
2013 7
2014 5
2015 6
2016 8
2017 5
2018 4
2019 6
2020 3
Text availability
Article attribute
Article type
Publication date

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252 results
Results by year
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