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Results by year

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

Year Number of Results
1945 1
1946 1
1947 1
1951 1
1969 1
1971 2
1973 2
1974 2
1975 3
1976 2
1977 4
1978 2
1979 2
1980 5
1981 7
1982 9
1983 9
1984 7
1985 10
1986 6
1987 11
1988 7
1989 7
1990 12
1991 14
1992 21
1993 12
1994 11
1995 15
1996 17
1997 13
1998 21
1999 18
2000 23
2001 22
2002 18
2003 22
2004 15
2005 18
2006 24
2007 29
2008 30
2009 36
2010 36
2011 36
2012 34
2013 44
2014 50
2015 47
2016 52
2017 33
2018 39
2019 33
2020 13
Text availability
Article attribute
Article type
Publication date

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824 results
Results by year
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