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Results by year

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

Year Number of Results
1945 1
1950 1
1951 2
1952 1
1953 1
1954 2
1957 1
1958 3
1959 1
1960 4
1961 3
1962 1
1963 1
1965 3
1966 3
1967 2
1968 3
1969 5
1970 6
1971 1
1972 3
1973 7
1974 7
1975 5
1976 13
1977 5
1978 3
1979 3
1980 3
1981 5
1982 3
1983 2
1984 3
1985 7
1986 4
1987 2
1988 3
1989 1
1990 3
1991 9
1992 6
1993 2
1994 5
1995 7
1996 4
1997 6
1998 9
1999 12
2000 11
2001 4
2002 7
2003 19
2004 13
2005 22
2006 13
2007 27
2008 28
2009 31
2010 31
2011 42
2012 36
2013 42
2014 41
2015 39
2016 35
2017 31
2018 42
2019 40
2020 8
Text availability
Article attribute
Article type
Publication date

Search Results

669 results
Results by year
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