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Results by year

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

Year Number of Results
1948 1
1951 1
1952 1
1953 3
1954 5
1955 5
1956 1
1957 1
1964 2
1965 3
1967 1
1969 1
1970 2
1971 5
1972 1
1974 4
1975 3
1976 2
1977 8
1978 3
1979 8
1980 15
1981 13
1982 12
1983 10
1984 16
1985 18
1986 31
1987 22
1988 24
1989 31
1990 24
1991 36
1992 31
1993 34
1994 28
1995 30
1996 28
1997 31
1998 20
1999 22
2000 24
2001 21
2002 17
2003 13
2004 10
2005 9
2006 14
2007 12
2008 25
2009 20
2010 17
2011 22
2012 32
2013 51
2014 55
2015 48
2016 38
2017 35
2018 42
2019 40
2020 17
Text availability
Article attribute
Article type
Publication date

Search Results

1,046 results
Results by year
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