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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 2
1967 8
1968 3
1969 11
1970 13
1971 6
1972 4
1973 2
1974 4
1975 1
1976 1
1977 2
1978 6
1979 4
1980 10
1981 5
1982 4
1983 4
1984 6
1985 7
1986 6
1987 9
1988 8
1989 6
1990 10
1991 8
1992 8
1993 6
1994 4
1995 10
1996 7
1997 8
1998 14
1999 10
2000 13
2001 15
2002 12
2003 10
2004 11
2005 9
2006 8
2007 10
2008 3
2009 4
2010 2
2011 5
2012 8
2013 5
2014 7
2015 5
2016 3
2017 3
2018 3
2019 2
2021 0
Text availability
Article attribute
Article type
Publication date

Search Results

346 results
Results by year
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