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Results by year

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

Year Number of Results
1980 2
1981 9
1982 10
1983 10
1984 8
1985 8
1986 15
1987 14
1988 23
1989 37
1990 65
1991 54
1992 63
1993 69
1994 91
1995 83
1996 74
1997 89
1998 101
1999 80
2000 101
2001 98
2002 116
2003 90
2004 88
2005 93
2006 111
2007 102
2008 104
2009 86
2010 81
2011 98
2012 83
2013 81
2014 88
2015 72
2016 75
2017 68
2018 47
2019 23
2020 0
Text availability
Article attribute
Article type
Publication date

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2,448 results
Results by year
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