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Results by year

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

Year Number of Results
1958 2
1960 1
1961 2
1965 2
1978 1
1979 3
1980 2
1981 2
1982 4
1983 3
1984 9
1985 10
1986 6
1987 7
1988 4
1989 3
1990 8
1991 10
1992 11
1993 13
1994 13
1995 13
1996 16
1997 27
1998 16
1999 19
2000 19
2001 21
2002 11
2003 25
2004 26
2005 23
2006 25
2007 20
2008 22
2009 23
2010 27
2011 29
2012 40
2013 33
2014 27
2015 39
2016 28
2017 38
2018 22
2019 30
2020 8
Text availability
Article attribute
Article type
Publication date

Search Results

687 results
Results by year
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