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Results by year

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

Year Number of Results
1948 1
1955 1
1959 2
1960 1
1961 2
1962 2
1965 6
1966 10
1967 15
1968 24
1969 19
1970 31
1971 31
1972 33
1973 39
1974 49
1975 47
1976 51
1977 66
1978 52
1979 79
1980 62
1981 84
1982 92
1983 146
1984 187
1985 266
1986 223
1987 249
1988 253
1989 297
1990 381
1991 371
1992 389
1993 397
1994 428
1995 517
1996 480
1997 458
1998 436
1999 523
2000 563
2001 573
2002 590
2003 636
2004 569
2005 696
2006 769
2007 758
2008 695
2009 700
2010 668
2011 780
2012 768
2013 881
2014 873
2015 955
2016 810
2017 811
2018 666
2019 342
2020 6
Text availability
Article attribute
Article type
Publication date

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19,415 results
Results by year
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