Year National currency, Sum Over Component Sub-periods 1996-01-01 101000000 1997-01-01 167000000 1998-01-01 161000000 1999-01-01 173000000 2000-01-01 184000000 2001-01-01 233000000 2002-01-01 217000000 2003-01-01 237000000 2004-01-01 289000000 2005-01-01 298000000 2006-01-01 415000000 2007-01-01 352000000 2008-01-01 415000000 2009-01-01 412000000 2010-01-01 450000000 2011-01-01 449000000 2012-01-01 478000000 2013-01-01 497000000