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Results by year

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

Year Number of Results
1981 1
1989 2
1990 1
1991 6
1992 2
1993 2
1994 7
1995 9
1996 12
1997 13
1998 21
1999 12
2000 11
2001 21
2002 11
2003 15
2004 19
2005 11
2006 18
2007 9
2008 10
2009 8
2010 5
2011 7
2012 7
2013 1
2014 4
2015 1
2022 0
Text availability
Article attribute
Article type
Publication date

Search Results

243 results
Results by year
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243 results