| 2021
(2 publications)
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2020
(72 publications)
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2019
(4516 publications)
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| 2018
(5808 publications)
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2017
(6023 publications)
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2016
(6663 publications)
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| 2015
(7143 publications)
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2014
(6919 publications)
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2013
(5528 publications)
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| 2012
(5283 publications)
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2011
(4871 publications)
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2010
(5191 publications)
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| 2009
(5025 publications)
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2008
(5222 publications)
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2007
(5441 publications)
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| 2006
(5637 publications)
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2005
(5718 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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