Year National Currency 2004-01-01 2301000000 2005-01-01 2821000000 2006-01-01 3169000000 2007-01-01 3558000000 2008-01-01 3460000000 2009-01-01 1921000000 2010-01-01 1061000000 2011-01-01 676000000 2012-01-01 414000000 2013-01-01 381000000