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Results by year

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

Year Number of Results
1959 1
1964 1
1966 1
1967 1
1968 3
1969 1
1970 2
1971 2
1972 2
1973 2
1974 1
1975 1
1976 2
1977 2
1978 3
1979 4
1980 3
1981 4
1982 3
1983 2
1984 11
1985 6
1986 6
1987 1
1988 3
1989 5
1990 7
1991 11
1992 7
1993 9
1994 10
1995 3
1996 9
1997 10
1998 11
1999 12
2000 11
2001 9
2002 14
2003 13
2004 11
2005 17
2006 32
2007 18
2008 15
2009 18
2010 14
2011 14
2012 14
2013 16
2014 13
2015 10
2016 9
2017 3
2018 10
2019 7
2020 3
Text availability
Article attribute
Article type
Publication date

Search Results

407 results
Results by year
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