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Results by year

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

Year Number of Results
1946 1
1950 2
1951 1
1953 1
1954 1
1955 1
1957 2
1958 2
1959 2
1961 1
1962 1
1963 2
1964 2
1965 1
1966 2
1967 1
1968 2
1969 5
1970 3
1971 1
1972 5
1973 5
1974 4
1975 7
1976 4
1977 3
1978 7
1979 12
1980 8
1981 13
1982 13
1983 8
1984 14
1985 15
1986 23
1987 25
1988 33
1989 27
1990 23
1991 21
1992 31
1993 30
1994 39
1995 38
1996 39
1997 33
1998 46
1999 37
2000 46
2001 41
2002 36
2003 40
2004 31
2005 46
2006 41
2007 58
2008 73
2009 66
2010 67
2011 80
2012 66
2013 66
2014 72
2015 75
2016 55
2017 60
2018 47
2019 50
2020 13
Text availability
Article attribute
Article type
Publication date

Search Results

1,579 results
Results by year
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