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Results by year

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

Year Number of Results
1937 1
1941 1
1947 1
1949 1
1964 1
1967 1
1968 1
1969 1
1972 3
1973 1
1975 3
1976 2
1977 3
1979 1
1981 2
1983 1
1985 4
1986 6
1987 3
1988 8
1989 10
1990 9
1991 9
1992 10
1993 9
1994 13
1995 17
1996 10
1997 5
1998 13
1999 16
2000 9
2001 16
2002 14
2003 10
2004 28
2005 16
2006 24
2007 42
2008 30
2009 45
2010 72
2011 74
2012 101
2013 92
2014 132
2015 149
2016 171
2017 223
2018 209
2019 248
2020 56
Text availability
Article attribute
Article type
Publication date

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1,706 results
Results by year
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