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Results by year

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

Year Number of Results
1954 1
1958 2
1959 2
1960 2
1978 2
1980 2
1982 2
1984 2
1985 2
1987 5
1988 1
1989 2
1990 2
1991 3
1992 4
1993 3
1994 1
1996 1
1998 5
1999 2
2000 2
2001 3
2002 4
2003 5
2004 3
2005 5
2006 6
2007 8
2008 3
2009 7
2010 3
2011 2
2012 5
2013 6
2014 11
2015 6
2016 2
2017 4
2018 3
2019 7
2020 5
Text availability
Article attribute
Article type
Publication date

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139 results
Results by year
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