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Results by year

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

Year Number of Results
1964 1
1987 2
1988 1
1989 1
1990 1
1992 2
1993 2
1994 1
1995 4
1996 4
1997 1
1998 1
1999 5
2000 3
2001 5
2002 3
2003 2
2004 2
2005 7
2006 5
2007 7
2008 5
2009 3
2010 6
2011 8
2012 13
2013 5
2014 13
2015 14
2016 13
2017 11
2018 20
2019 23
2020 3
Text availability
Article attribute
Article type
Publication date

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180 results
Results by year
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