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

Year Number of Results
1978 1
1980 1
1981 1
1982 1
1983 2
1984 2
1985 2
1986 4
1987 2
1988 7
1989 5
1990 6
1991 6
1992 6
1993 9
1994 6
1995 7
1996 3
1997 7
1998 17
1999 3
2000 10
2001 16
2002 7
2003 7
2004 10
2005 12
2006 6
2007 7
2008 5
2009 10
2010 10
2011 10
2012 10
2013 9
2014 11
2015 10
2016 4
2017 6
2018 8
2019 4
2020 5
2021 2
Text availability
Article attribute
Article type
Publication date

Search Results

265 results
Results by year
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265 results
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