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Results by year

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

Year Number of Results
1964 2
1965 5
1966 17
1967 13
1968 13
1969 15
1970 19
1971 23
1972 25
1973 22
1974 21
1975 28
1976 25
1977 28
1978 30
1979 43
1980 24
1981 29
1982 23
1983 28
1984 12
1985 16
1986 18
1987 15
1988 17
1989 17
1990 18
1991 17
1992 20
1993 13
1994 14
1995 17
1996 18
1997 19
1998 23
1999 20
2000 12
2001 10
2002 11
2003 10
2004 7
2005 12
2006 15
2007 11
2008 17
2009 13
2010 6
2011 10
2012 14
2013 7
2014 3
2015 4
2017 2
2018 5
2019 3
2020 0
Text availability
Article attribute
Article type
Publication date

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865 results
Results by year
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