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Results by year

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

Year Number of Results
1946 1
1947 1
1949 1
1959 1
1960 2
1961 2
1962 4
1963 5
1964 8
1965 1
1966 1
1968 1
1971 2
1972 1
1973 2
1974 3
1975 1
1976 4
1977 2
1978 3
1979 4
1980 4
1981 2
1982 1
1983 5
1984 1
1985 2
1986 3
1987 3
1988 1
1989 6
1990 1
1992 3
1993 6
1994 5
1995 8
1996 3
1997 12
1998 10
1999 8
2000 7
2001 5
2002 7
2003 3
2004 3
2005 3
2006 2
2007 4
2008 1
2009 6
2010 3
2011 7
2012 5
2013 7
2014 6
2015 1
2016 2
2017 6
2018 13
2019 5
2020 1
Text availability
Article attribute
Article type
Publication date

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221 results
Results by year
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