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Results by year

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

Year Number of Results
1947 1
1974 5
1975 3
1976 6
1977 5
1978 5
1979 4
1980 6
1981 3
1982 5
1983 5
1984 6
1985 2
1986 7
1987 11
1988 5
1989 3
1990 6
1991 8
1992 8
1993 4
1994 3
1995 2
1996 7
1997 19
1998 12
1999 86
2000 6
2001 48
2002 15
2003 15
2004 36
2005 39
2006 45
2007 49
2008 68
2009 68
2010 70
2011 69
2012 70
2013 71
2014 73
2015 60
2016 63
2017 55
2018 59
2019 22
2020 0
Text availability
Article attribute
Article type
Publication date

Search Results

1,106 results
Results by year
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