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Results by year

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

Year Number of Results
1966 14
1967 6
1968 3
1969 7
1970 11
1971 6
1972 10
1973 8
1974 9
1975 10
1976 14
1977 15
1978 14
1979 21
1980 21
1981 18
1982 35
1983 30
1984 34
1985 30
1986 34
1987 22
1988 33
1989 36
1990 28
1991 31
1992 25
1993 26
1994 27
1995 33
1996 34
1997 37
1998 31
1999 22
2000 34
2001 33
2002 31
2003 33
2004 56
2005 54
2006 42
2007 46
2008 71
2009 60
2010 41
2011 65
2012 81
2013 73
2014 78
2015 69
2016 88
2017 60
2018 66
2019 39
2020 0
Text availability
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Article type
Publication date

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1,719 results
Results by year
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