Year National currency, Sum Over Component Sub-periods 2002-01-01 229000000 2003-01-01 236000000 2004-01-01 321000000 2005-01-01 323000000 2006-01-01 770000000 2007-01-01 211000000 2008-01-01 590000000 2009-01-01 616000000 2010-01-01 607000000 2011-01-01 369000000