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

Year Number of Results
1955 1
1965 1
1982 2
1983 2
1984 4
1985 7
1986 4
1987 8
1988 6
1989 7
1990 10
1991 9
1992 5
1993 3
1994 8
1996 7
1997 7
1998 3
1999 6
2000 3
2001 3
2002 3
2003 4
2004 8
2005 11
2006 21
2007 13
2008 9
2009 10
2010 13
2011 14
2012 12
2013 16
2014 13
2015 11
2016 17
2017 18
2018 18
2019 17
2020 18
2021 11
Text availability
Article attribute
Article type
Publication date

Search Results

327 results
Results by year
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327 results
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