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Results by year

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

Year Number of Results
1955 1
1956 1
1957 1
1960 6
1961 3
1962 4
1963 6
1965 1
1967 4
1968 5
1969 1
1970 5
1971 15
1972 4
1973 4
1974 3
1975 1
1976 2
1977 3
1978 1
1979 1
1980 1
1981 1
1982 4
1983 2
1984 1
1985 3
1986 3
1987 2
1989 1
1990 1
1991 11
1992 3
1993 5
1995 3
1996 4
1997 3
1999 1
2000 1
2001 4
2002 3
2003 2
2004 2
2005 4
2006 3
2007 4
2008 3
2009 7
2010 4
2011 4
2012 2
2013 3
2014 2
2015 7
2016 5
2017 12
2018 11
2019 13
2020 2
Text availability
Article attribute
Article type
Publication date

Search Results

208 results
Results by year
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