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Results by year

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

Year Number of Results
1966 1
1987 1
1991 2
1992 2
1993 3
1994 4
1995 11
1996 11
1997 7
1998 5
1999 18
2000 13
2001 17
2002 13
2003 23
2004 17
2005 19
2006 24
2007 38
2008 28
2009 44
2010 50
2011 44
2012 45
2013 56
2014 67
2015 75
2016 55
2017 66
2018 87
2019 78
2020 87
Text availability
Article attribute
Article type
Publication date

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