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Results by year

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

Year Number of Results
1954 1
1962 1
1967 1
1968 1
1969 2
1979 1
1983 1
1988 1
1989 1
1990 1
1992 2
1993 1
1994 1
1995 2
1997 1
1998 5
1999 5
2000 4
2001 5
2002 5
2003 10
2004 9
2005 11
2006 21
2007 38
2008 32
2009 36
2010 35
2011 50
2012 65
2013 55
2014 52
2015 62
2016 73
2017 53
2018 62
2019 54
2020 14
Text availability
Article attribute
Article type
Publication date

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673 results
Results by year
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