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Results by year

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

Year Number of Results
1963 1
1964 1
1965 2
1966 1
1967 1
1968 1
1969 1
1970 1
1971 1
1974 1
1975 1
1976 2
1981 2
1982 2
1983 2
1984 1
1985 2
1986 3
1987 5
1988 5
1989 3
1990 4
1991 4
1992 6
1993 3
1994 4
1995 1
1996 9
1997 5
1998 6
1999 4
2000 16
2001 9
2002 8
2003 12
2004 12
2005 14
2006 18
2007 15
2008 11
2009 19
2010 15
2011 8
2012 13
2013 25
2014 25
2015 41
2016 50
2017 41
2018 43
2019 49
2020 14
Text availability
Article attribute
Article type
Publication date

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471 results
Results by year
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