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Results by year

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

Year Number of Results
1976 2
1978 4
1979 2
1980 2
1981 5
1982 2
1983 3
1984 2
1986 1
1987 2
1990 2
1991 1
1992 2
1993 4
1994 2
1995 4
1996 2
1998 6
1999 23
2000 67
2001 81
2002 79
2003 77
2004 80
2005 69
2006 84
2007 70
2008 81
2009 76
2010 60
2011 51
2012 58
2013 64
2014 80
2015 78
2016 67
2017 60
2018 53
2019 31
2020 1
Text availability
Article attribute
Article type
Publication date

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1,310 results
Results by year
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