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Results by year

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

Year Number of Results
1987 2
1990 1
1991 3
1992 4
1993 6
1994 5
1995 2
1996 4
1997 3
1998 7
1999 3
2000 5
2001 3
2002 6
2003 12
2004 12
2005 15
2006 8
2007 14
2008 16
2009 16
2010 9
2011 11
2012 15
2013 13
2014 12
2015 15
2016 8
2017 5
2018 7
2019 9
2020 11
2021 7
2022 0
Text availability
Article attribute
Article type
Publication date

Search Results

236 results
Results by year
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236 results