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Results by year

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

Year Number of Results
1954 1
1955 3
1961 1
1963 5
1964 1
1965 3
1966 2
1967 2
1968 1
1969 1
1970 5
1971 2
1972 5
1973 4
1974 2
1975 4
1976 1
1977 5
1978 5
1979 3
1980 1
1981 4
1982 1
1983 2
1984 3
1985 5
1986 4
1987 1
1988 1
1990 1
1991 1
1992 2
1993 3
1994 2
1995 5
1996 5
1997 1
1998 4
1999 6
2000 3
2001 4
2002 3
2003 4
2004 3
2005 4
2006 1
2007 4
2008 2
2009 3
2010 3
2011 4
2013 4
2014 1
2015 2
2016 1
2017 5
2018 3
2020 0
Text availability
Article attribute
Article type
Publication date

Search Results

158 results
Results by year
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