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Results by year

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

Year Number of Results
1987 2
1988 1
1989 5
1990 7
1991 4
1992 2
1993 9
1994 9
1995 5
1996 10
1997 7
1998 9
1999 7
2000 14
2001 5
2002 9
2003 4
2004 13
2005 17
2006 18
2007 36
2008 27
2009 25
2010 30
2011 42
2012 33
2013 29
2014 27
2015 16
2016 13
2017 15
2018 14
2019 12
2020 0
Text availability
Article attribute
Article type
Publication date

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435 results
Results by year
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