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Results by year

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

Year Number of Results
1953 1
1963 1
1965 1
1966 1
1967 2
1968 3
1969 5
1970 3
1971 3
1973 1
1974 1
1975 2
1976 2
1979 2
1983 2
1984 2
1985 2
1986 2
1987 2
1988 1
1989 3
1990 4
1991 1
1992 1
1993 3
1994 4
1995 1
1997 1
1998 2
1999 3
2000 7
2001 3
2002 1
2003 6
2004 5
2005 9
2006 9
2007 12
2008 17
2009 19
2010 32
2011 29
2012 44
2013 49
2014 46
2015 68
2016 46
2017 66
2018 55
2019 43
2020 5
Text availability
Article attribute
Article type
Publication date

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551 results
Results by year
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