Year National Currency 2004-01-01 6461989200 2005-01-01 6120560000 2006-01-01 6745337300 2007-01-01 7624049800 2008-01-01 8693959800 2009-01-01 10236378000 2010-01-01 9929296700 2011-01-01 12394760700 2012-01-01 14825136100 2013-01-01 17055237000 2014-01-01 15084809600 2015-01-01 15899000000