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Results by year

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

Year Number of Results
1886 1
1923 1
1951 1
1952 1
1961 1
1962 1
1977 1
1979 1
1983 1
1984 1
1986 3
1987 2
1988 2
1989 3
1991 5
1992 3
1993 2
1994 3
1995 3
1996 3
1997 6
1998 9
1999 8
2000 9
2001 7
2002 12
2003 7
2004 16
2005 15
2006 13
2007 12
2008 12
2009 25
2010 42
2011 40
2012 36
2013 42
2014 45
2015 34
2016 22
2017 22
2018 23
2019 28
2020 7
Text availability
Article attribute
Article type
Publication date

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471 results
Results by year
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