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Results by year

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

Year Number of Results
1966 3
1967 3
1968 2
1969 4
1972 2
1973 2
1974 2
1975 5
1976 3
1977 1
1978 1
1979 3
1980 4
1982 5
1983 9
1984 7
1985 7
1986 11
1987 9
1988 7
1989 12
1990 13
1991 9
1992 13
1993 10
1994 10
1995 6
1996 14
1997 16
1998 15
1999 6
2000 15
2001 5
2002 13
2003 4
2004 3
2005 7
2006 5
2007 2
2008 5
2009 1
2010 1
2011 6
2012 8
2013 3
2014 7
2015 3
2016 1
2017 3
2018 5
2019 3
2020 10
2021 2
Text availability
Article attribute
Article type
Publication date

Search Results

318 results
Results by year
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318 results
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