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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 1
1975 1
1978 1
1979 1
1981 2
1982 1
1983 2
1984 1
1985 2
1986 4
1987 5
1988 2
1989 4
1990 6
1991 5
1992 5
1993 7
1994 5
1995 12
1996 3
1997 10
1998 7
1999 11
2000 10
2001 12
2002 11
2003 11
2004 7
2005 8
2006 14
2007 10
2008 10
2009 8
2010 12
2011 15
2012 12
2013 19
2014 10
2015 18
2016 13
2017 13
2018 14
2019 10
2020 0
Text availability
Article attribute
Article type
Publication date

Search Results

318 results
Results by year
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