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Results by year

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

Year Number of Results
1967 1
1974 1
1976 1
1980 1
1981 2
1982 4
1983 4
1984 3
1985 3
1986 9
1987 11
1988 6
1989 11
1990 4
1991 5
1992 2
1993 6
1994 1
1995 4
1996 2
1997 2
1998 2
2000 2
2001 1
2002 2
2003 1
2004 6
2005 2
2006 1
2008 3
2009 4
2012 1
2013 1
2014 2
2015 2
2016 2
2017 2
2020 0
Text availability
Article attribute
Article type
Publication date

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114 results
Results by year
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