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Results by year

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

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

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188 results
Results by year
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