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Results by year

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

Year Number of Results
1979 1
1980 3
1981 2
1982 2
1983 1
1984 1
1986 2
1987 1
1988 2
1989 2
1990 7
1991 2
1992 3
1993 7
1994 3
1995 7
1996 8
1997 5
1998 9
1999 10
2000 13
2001 14
2002 9
2003 7
2004 18
2005 16
2006 20
2007 20
2008 22
2009 22
2010 23
2011 23
2012 28
2013 18
2014 19
2015 23
2016 14
2017 24
2018 39
2019 35
2020 6
Text availability
Article attribute
Article type
Publication date

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432 results
Results by year
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