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Results by year

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

Year Number of Results
1962 1
1963 1
1965 1
1970 1
1975 1
1978 2
1979 3
1981 1
1982 1
1983 2
1984 1
1986 1
1987 1
1988 4
1989 7
1990 6
1991 7
1992 2
1993 3
1994 8
1995 5
1996 7
1997 3
1998 3
1999 5
2000 7
2001 5
2002 3
2003 3
2004 7
2005 7
2006 8
2007 6
2008 5
2009 8
2010 10
2011 12
2012 7
2013 6
2014 13
2015 12
2016 10
2017 11
2018 9
2019 9
2020 3
Text availability
Article attribute
Article type
Publication date

Search Results

218 results
Results by year
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