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Results by year

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

Year Number of Results
1947 1
1949 1
1950 1
1951 1
1952 2
1954 2
1955 1
1957 1
1958 1
1960 1
1964 2
1973 1
1975 1
1977 3
1978 11
1979 26
1980 7
1981 10
1982 21
1983 23
1984 43
1985 74
1986 79
1987 123
1988 156
1989 184
1990 172
1991 75
1992 101
1993 93
1994 81
1995 75
1996 64
1997 69
1998 102
1999 126
2000 172
2001 208
2002 273
2003 318
2004 372
2005 431
2006 489
2007 577
2008 626
2009 706
2010 758
2011 873
2012 922
2013 900
2014 911
2015 954
2016 865
2017 742
2018 507
2019 173
2020 5
Text availability
Article attribute
Article type
Publication date

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12,197 results
Results by year
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