Year National currency, Sum Over Component Sub-periods 1997-01-01 48800000000 1998-01-01 91400000000 1999-01-01 206380000000 2000-01-01 440354000000 2001-01-01 223370000000 2002-01-01 195437000000 2003-01-01 136573000000 2004-01-01 89888000000 2005-01-01 154339000000 2006-01-01 258390000000 2007-01-01 422528000000 2008-01-01 107443000000 2009-01-01 285862000000 2010-01-01 261685000000 2011-01-01 253131000000 2012-01-01 162997000000