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Results by year

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

Year Number of Results
1979 1
1980 4
1981 2
1982 5
1983 8
1984 3
1985 3
1986 3
1987 7
1988 3
1989 4
1990 5
1991 13
1992 10
1993 9
1994 17
1995 6
1996 13
1997 10
1998 13
1999 20
2000 19
2001 21
2002 19
2003 23
2004 20
2005 24
2006 15
2007 22
2008 16
2009 19
2010 21
2011 22
2012 15
2013 14
2014 12
2015 15
2016 21
2017 16
2018 18
2019 17
2020 3
Text availability
Article attribute
Article type
Publication date

Search Results

476 results
Results by year
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