Year National Currency 2004-01-01 6385919500 2005-01-01 9799134500 2006-01-01 11961209100 2007-01-01 13677898100 2008-01-01 15974077200 2009-01-01 20372000000 2010-01-01 24949479700 2011-01-01 26384904800 2012-01-01 37911300000 2013-01-01 42456110200 2014-01-01 47623000000 2015-01-01 56700440000