Year National currency, Sum Over Component Sub-periods 1997-01-01 7595000000 1998-01-01 5730000000 1999-01-01 7190000000 2000-01-01 11153000000 2001-01-01 9349000000 2002-01-01 11936000000 2003-01-01 11123000000 2004-01-01 10484000000 2005-01-01 14655000000 2006-01-01 23495000000 2007-01-01 31903000000 2008-01-01 34005000000 2009-01-01 26413000000 2010-01-01 22926000000 2011-01-01 20510000000 2012-01-01 4986000000 2013-01-01 -567000000