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Results by year

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

Year Number of Results
1946 2
1949 1
1950 1
1951 2
1957 1
1986 1
1997 1
2000 1
2001 1
2002 3
2003 2
2004 6
2005 4
2006 4
2007 7
2008 8
2009 14
2010 20
2011 23
2012 33
2013 47
2014 46
2015 59
2016 52
2017 46
2018 44
2019 32
2020 4
Text availability
Article attribute
Article type
Publication date

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403 results
Results by year
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