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Results by year

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

Year Number of Results
1961 1
1973 1
1976 1
1978 1
1987 1
1989 1
1991 1
1992 2
1997 1
1999 3
2000 1
2003 1
2004 1
2005 5
2006 10
2007 3
2008 5
2009 10
2010 2
2011 13
2012 7
2013 17
2014 14
2015 8
2016 22
2017 8
2018 12
2019 7
2020 2
Text availability
Article attribute
Article type
Publication date

Search Results

148 results
Results by year
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