Year National currency, Sum Over Component Sub-periods 1994-01-01 539000000 1995-01-01 446000000 1996-01-01 511000000 1997-01-01 561000000 1998-01-01 447000000 1999-01-01 330000000 2000-01-01 489000000 2001-01-01 535000000 2002-01-01 620000000 2003-01-01 540000000 2004-01-01 688000000 2005-01-01 920000000 2006-01-01 993000000 2007-01-01 1047000000 2008-01-01 1428000000 2009-01-01 1165000000 2010-01-01 1281000000 2011-01-01 1476000000 2012-01-01 1723000000 2013-01-01 1961000000