| 2020
(15 publications)
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2019
(3168 publications)
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2018
(5767 publications)
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| 2017
(5888 publications)
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2016
(6565 publications)
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2015
(7064 publications)
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| 2014
(6858 publications)
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2013
(5506 publications)
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2012
(5264 publications)
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| 2011
(4859 publications)
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2010
(5178 publications)
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2009
(5013 publications)
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| 2008
(5214 publications)
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2007
(5435 publications)
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2006
(5629 publications)
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| 2005
(5716 publications)
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2004
(5201 publications)
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2003
(4958 publications)
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| 2002
(4697 publications)
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2001
(4212 publications)
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2000
(3831 publications)
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| 1999
(3434 publications)
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1998
(896 publications)
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1997
(685 publications)
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| 1996
(627 publications)
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1995
(500 publications)
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1994
(459 publications)
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| 1993
(402 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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