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Results by year

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

Year Number of Results
1951 1
1952 7
1954 1
1957 1
1958 1
1960 15
1961 7
1962 5
1964 1
1965 2
1966 10
1967 3
1968 5
1969 5
1970 2
1971 4
1972 3
1973 3
1974 4
1975 1
1976 3
1977 5
1978 2
1979 1
1980 5
1981 3
1982 2
1983 7
1984 6
1985 2
1986 6
1987 3
1988 5
1989 6
1990 3
1991 4
1992 3
1993 7
1994 6
1995 11
1996 11
1997 7
1998 11
1999 13
2000 16
2001 11
2002 19
2003 18
2004 12
2005 26
2006 43
2007 46
2008 58
2009 51
2010 81
2011 95
2012 77
2013 96
2014 97
2015 103
2016 106
2017 111
2018 136
2019 77
2020 2
Text availability
Article attribute
Article type
Publication date

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1,357 results
Results by year
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