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Results by year

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

Year Number of Results
1969 1
1974 1
1975 1
1976 2
1977 2
1980 1
1981 3
1983 3
1984 3
1985 3
1986 11
1987 5
1988 4
1989 12
1990 1
1991 10
1992 5
1993 3
1994 8
1995 5
1996 11
1997 7
1998 9
1999 11
2000 12
2001 10
2002 10
2003 16
2004 19
2005 12
2006 19
2007 17
2008 35
2009 22
2010 20
2011 33
2012 37
2013 44
2014 31
2015 30
2016 36
2017 37
2018 31
2019 24
2020 3
Text availability
Article attribute
Article type
Publication date

Search Results

549 results
Results by year
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