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  • 1978
    mar
  • 1979
    aug
    oct
  • 1982
    oct
  • 1986
    sep
  • 1987
    oct
  • 1988
    feb
    jun
  • 1989
    may
  • 1990
    apr
    dec
  • 1991
    mar
    aug
    dec
  • 1992
    jun
    aug
    nov
    dec
  • 1993
    aug
    sep
  • 1994
    nov
  • 1995
    mar
    may
    jun
    aug
    nov
    dec
  • 1996
    nov
  • 1997
    jul
    aug
    dec
  • 1998
    feb
    may
    oct
    nov
  • 1999
    jan
    feb
    apr
    jun
    aug
    nov
    dec
  • 2000
    jan
    may
    jun
    oct
    nov
    dec
  • 2001
    nov
  • 2002
    jan
    feb
    jun
    oct
  • 2003
    mar
    jun
    sep
    nov
    dec
  • 2004
    mar
    apr
    jun
    jul
    dec
  • 2005
    feb
    jun
    aug
    sep
    nov
  • 2006
    feb
    mar
    may
    sep
    oct
    nov
    dec
  • 2007
    jan
    apr
    jul
    sep
    oct
    dec
  • 2008
    jan
    feb
    mar
    apr
    jul
    aug
    oct
    nov
    dec
  • 2009
    jan
    mar
    apr
    may
    jul
    sep
    oct
    nov
  • 2010
    jan
    mar
    apr
    may
    aug
    sep
    oct
    nov
  • 2011
    jan
    mar
    apr
    jul
    aug
    sep
    dec
  • 2012
    jan
    mar
    apr
    may
    aug
    sep
    nov
  • 2013
    jan
    feb
    apr
    jul
    aug
    oct
    sep
    nov
  • 2014
    jan
    jun
    jul
    nov
  • 2015
    mar
    apr
    may
    jun
    oct
    nov
    dec
  • 2016
    apr
    jun
    jul
    aug
    oct
    nov
  • 2017
    apr
    may