| 2020
(38 publications)
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2019
(3822 publications)
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2018
(5824 publications)
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| 2017
(5962 publications)
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2016
(6618 publications)
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2015
(7112 publications)
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| 2014
(6898 publications)
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2013
(5519 publications)
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2012
(5276 publications)
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| 2011
(4864 publications)
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2010
(5183 publications)
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2009
(5020 publications)
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| 2008
(5216 publications)
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2007
(5442 publications)
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2006
(5635 publications)
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| 2005
(5717 publications)
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2004
(5198 publications)
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2003
(4957 publications)
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| 2002
(4700 publications)
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2001
(4215 publications)
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2000
(3832 publications)
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| 1999
(3435 publications)
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1998
(896 publications)
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1997
(686 publications)
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| 1996
(627 publications)
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1995
(501 publications)
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1994
(460 publications)
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| 1993
(403 publications)
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1992
(361 publications)
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1991
(316 publications)
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| 1990
(293 publications)
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1989
(239 publications)
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1988
(203 publications)
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| 1987
(190 publications)
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1986
(181 publications)
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1985
(152 publications)
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| 1984
(98 publications)
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1983
(121 publications)
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1982
(92 publications)
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| 1981
(76 publications)
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1980
(69 publications)
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1979
(54 publications)
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| 1978
(55 publications)
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1977
(56 publications)
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1976
(36 publications)
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| 1975
(38 publications)
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1974
(20 publications)
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1973
(31 publications)
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| 1972
(27 publications)
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1971
(26 publications)
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1970
(20 publications)
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| 1969
(15 publications)
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1968
(16 publications)
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1967
(6 publications)
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| 1966
(7 publications)
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1965
(3 publications)
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1964
(7 publications)
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| 1963
(3 publications)
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1962
(8 publications)
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1961
(1 publications)
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| 1960
(2 publications)
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1958
(1 publications)
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0
(6 publications)
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