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

Year Number of Results
1979 1
1980 20
1981 36
1982 60
1983 70
1984 60
1985 41
1986 52
1987 36
1988 25
1989 28
1990 21
1991 20
1992 25
1993 22
1994 22
1995 15
1996 14
1997 13
1998 10
1999 3
2000 9
2001 17
2002 9
2003 9
2004 4
2005 4
2006 9
2007 7
2008 4
2009 3
2010 2
2011 1
2012 1
2013 1
2022 0
Text availability
Article attribute
Article type
Publication date

Search Results

669 results
Results by year
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669 results