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Results by year

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

Year Number of Results
1954 2
1955 1
1956 2
1957 1
1960 1
1961 3
1962 6
1963 1
1965 2
1966 1
1967 2
1968 1
1969 1
1971 4
1972 1
1973 4
1974 3
1975 4
1976 3
1977 1
1978 3
1980 2
1981 2
1982 5
1983 7
1984 16
1985 7
1986 7
1987 12
1988 8
1989 16
1990 8
1991 7
1992 9
1993 14
1994 20
1995 9
1996 16
1997 13
1998 15
1999 18
2000 16
2001 18
2002 21
2003 27
2004 19
2005 16
2006 12
2007 18
2008 20
2009 17
2010 17
2011 28
2012 30
2013 23
2014 23
2015 23
2016 30
2017 27
2018 30
2019 29
2020 26
Text availability
Article attribute
Article type
Publication date

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