Year National Currency 2004-01-01 10014000000 2005-01-01 10366000000 2006-01-01 14341000000 2007-01-01 16656000000 2008-01-01 15875000000 2009-01-01 17507000000 2010-01-01 19195000000 2011-01-01 21505000000 2012-01-01 26575000000 2013-01-01 32093000000 2014-01-01 39016000000 2015-01-01 34968000000 2016-01-01 39130000000