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

Year Number of Results
1949 2
1951 1
1952 1
1965 1
1988 1
1996 2
1999 2
2000 1
2001 1
2002 1
2004 1
2006 4
2007 3
2008 4
2009 1
2010 5
2011 7
2012 14
2013 9
2014 9
2015 7
2016 14
2017 14
2018 11
2019 7
2020 0
Text availability
Article attribute
Article type
Publication date

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109 results
Results by year
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