Year National Currency 2004-01-01 27673000000 2005-01-01 29871000000 2006-01-01 32862000000 2007-01-01 36114000000 2008-01-01 34940000000 2009-01-01 36220000000 2010-01-01 38229000000 2011-01-01 7309000000 2012-01-01 7402000000 2013-01-01 7672000000 2014-01-01 7755000000 2015-01-01 8021000000 2016-01-01 8308000000 2017-01-01 33415000000