Year National Currency 2004-01-01 4811844000 2005-01-01 6999900000 2006-01-01 9363853200 2007-01-01 14214043800 2008-01-01 17242042200 2009-01-01 16609898800 2010-01-01 18464954700 2011-01-01 20675400000 2012-01-01 25480000000 2013-01-01 31349267500 2014-01-01 33738797900 2015-01-01 34017923400 2016-01-01 36575967800 2017-01-01 38166013200