Year National Currency 1988-01-01 299024737500 1989-01-01 310933274293 1990-01-01 322024987956 1991-01-01 330551156390 1992-01-01 339734224984 1993-01-01 338529427163 1994-01-01 349465215326 1995-01-01 367716900286 1996-01-01 388215913504 1997-01-01 406326593267 1998-01-01 429208301785 1999-01-01 448535981603 2000-01-01 470860204899 2001-01-01 494119683033 2002-01-01 512209050937 2003-01-01 523302805120 2004-01-01 533791658288 2005-01-01 564641179656 2006-01-01 603232518739 2007-01-01 651019120253 2008-01-01 683488873103 2009-01-01 648769591354 2010-01-01 640294444676