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

Year Number of Results
1975 1
1976 3
1977 4
1978 5
1979 2
1980 2
1981 1
1982 4
1983 1
1984 2
1985 6
1986 3
1987 2
1988 2
1989 1
1990 6
1991 4
1992 6
1993 6
1994 6
1995 8
1996 5
1997 6
1998 6
1999 5
2000 5
2001 5
2002 5
2003 5
2004 13
2005 6
2006 3
2007 6
2008 8
2009 5
2010 6
2011 22
2012 8
2013 6
2014 4
2015 3
2016 5
2017 3
2018 3
2019 4
2020 0
Text availability
Article attribute
Article type
Publication date

Search Results

206 results
Results by year
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