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Results by year

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

Year Number of Results
1950 1
1953 1
1954 1
1955 2
1956 3
1957 1
1961 1
1962 1
1965 2
1968 2
1969 5
1970 1
1971 4
1972 2
1973 3
1974 4
1975 1
1976 2
1977 1
1978 3
1979 5
1980 1
1981 6
1982 1
1983 1
1984 3
1985 1
1986 3
1987 2
1988 1
1989 4
1990 4
1991 4
1992 8
1993 9
1994 13
1995 10
1996 15
1997 12
1998 7
1999 17
2000 6
2001 11
2002 8
2003 9
2004 9
2005 11
2006 11
2007 12
2008 9
2009 13
2010 16
2011 18
2012 21
2013 37
2014 42
2015 34
2016 40
2017 45
2018 49
2019 50
2020 17
Text availability
Article attribute
Article type
Publication date

Search Results

586 results
Results by year
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