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

Year Number of Results
1970 1
1973 1
1984 2
1985 5
1986 2
1987 1
1988 3
1989 2
1990 1
1994 1
1996 2
1997 1
1999 1
2000 1
2001 5
2002 10
2003 1
2004 9
2005 4
2006 4
2007 11
2008 14
2009 10
2010 13
2011 7
2012 14
2013 10
2014 9
2015 5
2016 7
2017 8
2018 11
2019 12
2020 18
2021 7
Text availability
Article attribute
Article type
Publication date

Search Results

190 results
Results by year
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190 results
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