Year National currency, Sum Over Component Sub-periods 1996-01-01 19323000000 1997-01-01 21392000000 1998-01-01 22826000000 1999-01-01 23707000000 2000-01-01 27209000000 2001-01-01 27861000000 2002-01-01 28465000000 2003-01-01 29266000000 2004-01-01 30925000000 2005-01-01 31147000000 2006-01-01 35837000000 2007-01-01 38525000000 2008-01-01 39201000000 2009-01-01 32021000000 2010-01-01 37394000000 2011-01-01 43073000000 2012-01-01 45437000000 2013-01-01 47653000000