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   2018 (1 publications)    2017 (24 publications)    2016 (3103 publications)
   2015 (5195 publications)    2014 (5249 publications)    2013 (4939 publications)
   2012 (5100 publications)    2011 (4766 publications)    2010 (5096 publications)
   2009 (4953 publications)    2008 (5165 publications)    2007 (5387 publications)
   2006 (5587 publications)    2005 (5691 publications)    2004 (5174 publications)
   2003 (4939 publications)    2002 (4675 publications)    2001 (4208 publications)
   2000 (3829 publications)    1999 (3425 publications)    1998 (890 publications)
   1997 (678 publications)    1996 (623 publications)    1995 (494 publications)
   1994 (456 publications)    1993 (399 publications)    1992 (357 publications)
   1991 (312 publications)    1990 (292 publications)    1989 (236 publications)
   1988 (202 publications)    1987 (189 publications)    1986 (180 publications)
   1985 (149 publications)    1984 (98 publications)    1983 (121 publications)
   1982 (92 publications)    1981 (76 publications)    1980 (69 publications)
   1979 (53 publications)    1978 (54 publications)    1977 (56 publications)
   1976 (36 publications)    1975 (38 publications)    1974 (20 publications)
   1973 (31 publications)    1972 (27 publications)    1971 (26 publications)
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