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Results by year

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

Year Number of Results
1974 1
1977 1
1980 2
1981 3
1982 1
1983 3
1984 4
1986 4
1987 6
1988 3
1989 2
1990 6
1991 3
1992 4
1993 9
1994 8
1995 6
1996 3
1997 5
1998 10
1999 2
2000 5
2001 4
2002 8
2003 11
2004 14
2005 13
2006 4
2007 6
2008 9
2009 12
2010 14
2011 17
2012 13
2013 13
2014 11
2015 4
2016 7
2017 2
2018 2
2020 1
2021 2
Text availability
Article attribute
Article type
Publication date

Search Results

246 results
Results by year
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