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Results by year

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

Year Number of Results
1961 1
1962 1
1963 1
1964 2
1968 2
1969 1
1970 1
1972 1
1974 1
1979 1
1982 3
1984 2
1985 1
1987 1
1988 3
1989 1
1992 3
1993 3
1994 2
1996 4
1997 2
1998 1
1999 1
2000 2
2001 3
2002 5
2003 4
2004 6
2005 4
2006 2
2007 7
2008 9
2009 6
2010 6
2011 8
2012 12
2013 7
2014 17
2015 13
2016 6
2017 6
2018 7
2019 10
2020 20
2021 4
Text availability
Article attribute
Article type
Publication date

Search Results

192 results
Results by year
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192 results
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