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Results by year

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

Year Number of Results
1957 1
1985 5
1986 5
1987 5
1988 5
1989 9
1990 5
1991 5
1992 3
1993 5
1994 9
1995 4
1996 3
1997 6
1998 4
1999 3
2000 3
2001 3
2002 3
2003 12
2004 11
2005 18
2006 21
2007 42
2008 37
2009 38
2010 34
2011 42
2012 42
2013 41
2014 32
2015 52
2016 40
2017 37
2018 54
2019 38
2020 69
2021 58
2022 62
Text availability
Article attribute
Article type
Publication date

Search Results

784 results
Results by year
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784 results