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

Year Number of Results
1891 3
1906 1
1912 1
1950 1
1956 2
1969 1
1979 2
1981 1
1983 2
1984 2
1985 1
1986 1
1987 6
1988 5
1989 5
1990 7
1991 3
1992 4
1993 7
1994 4
1995 8
1996 4
1997 2
1998 6
1999 4
2000 5
2001 11
2002 4
2003 6
2004 4
2005 9
2006 8
2007 3
2008 9
2009 8
2010 14
2011 10
2012 18
2013 26
2014 27
2015 45
2016 37
2017 34
2018 30
2019 19
2020 5
Text availability
Article attribute
Article type
Publication date

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369 results
Results by year
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