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Results by year

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

Year Number of Results
1895 1
1965 1
1966 2
1967 2
1968 2
1969 1
1971 6
1972 2
1973 2
1975 3
1976 5
1977 2
1979 1
1980 5
1981 3
1982 3
1983 2
1984 6
1985 6
1986 6
1987 2
1988 5
1989 14
1990 11
1991 33
1992 20
1993 18
1994 14
1995 19
1996 19
1997 16
1998 31
1999 23
2000 21
2001 21
2002 14
2003 14
2004 15
2005 9
2006 7
2007 14
2008 20
2009 8
2010 9
2011 11
2012 6
2013 11
2014 6
2015 6
2016 11
2017 12
2018 5
2019 6
2020 1
Text availability
Article attribute
Article type
Publication date

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493 results
Results by year
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