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Results by year

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

Year Number of Results
1943 1
1952 1
1957 1
1965 1
1966 1
1968 1
1970 2
1971 2
1973 1
1974 2
1975 1
1976 1
1977 2
1978 2
1979 1
1980 1
1981 1
1982 3
1983 3
1984 1
1985 4
1986 6
1987 3
1988 3
1989 2
1990 3
1991 1
1992 3
1993 14
1994 13
1995 4
1996 15
1997 23
1998 13
1999 21
2000 25
2001 22
2002 20
2003 16
2004 18
2005 9
2006 13
2007 12
2008 11
2009 9
2010 15
2011 14
2012 13
2013 15
2014 12
2015 12
2016 15
2017 20
2018 7
2019 8
2020 3
Text availability
Article attribute
Article type
Publication date

Search Results

422 results
Results by year
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