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Results by year

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

Year Number of Results
1973 2
1974 9
1975 1
1978 2
1979 2
1980 1
1981 3
1982 1
1983 1
1984 3
1985 1
1986 6
1987 4
1988 1
1989 2
1990 3
1991 5
1992 2
1993 4
1994 12
1995 2
1996 8
1997 7
1998 8
1999 5
2000 4
2001 3
2002 6
2003 3
2004 3
2005 5
2006 4
2007 10
2008 9
2009 3
2010 14
2011 11
2012 13
2013 13
2014 14
2015 6
2016 8
2017 5
2018 8
2019 8
2020 0
Text availability
Article attribute
Article type
Publication date

Search Results

217 results
Results by year
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