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Results by year

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

Year Number of Results
1975 2
1976 1
1980 2
1981 21
1982 20
1983 31
1984 57
1985 62
1986 65
1987 44
1988 64
1989 62
1990 64
1991 78
1992 63
1993 81
1994 90
1995 79
1996 100
1997 103
1998 95
1999 114
2000 91
2001 100
2002 132
2003 119
2004 29
2005 6
2006 14
2007 6
2008 13
2009 18
2010 19
2011 17
2012 24
2013 17
2014 10
2015 14
2016 15
2017 18
2018 15
2019 1
2020 0
Text availability
Article attribute
Article type
Publication date

Search Results

1,933 results
Results by year
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