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Results by year

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

Year Number of Results
1954 21
1955 61
1956 76
1957 86
1958 86
1959 74
1960 81
1961 88
1962 119
1963 109
1964 98
1965 117
1966 122
1967 178
1968 183
1969 225
1970 238
1971 211
1972 223
1973 212
1974 199
1975 248
1976 210
1977 310
1978 380
1979 377
1980 403
1981 438
1982 342
1983 274
1984 318
1985 325
1986 250
1987 347
1988 385
1989 412
1990 344
1991 502
1992 421
1993 339
1994 405
1995 448
1996 323
1997 525
1998 448
1999 410
2000 519
2001 332
2002 359
2003 422
2004 447
2005 429
2006 441
2007 500
2008 618
2009 597
2010 515
2011 524
2012 426
2013 481
2014 476
2015 452
2016 469
2017 443
2018 313
2019 385
2020 104
Text availability
Article attribute
Article type
Publication date

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20,720 results
Results by year
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