Year National Currency 2004-01-01 3763697924000 2005-01-01 5283336235000 2006-01-01 7721546395000 2007-01-01 11762381487000 2008-01-01 15759436006000 2009-01-01 15330276148000 2010-01-01 16914590173000 2011-01-01 21426843741000 2012-01-01 25807622192000 2013-01-01 30271020108000 2014-01-01 37001895000000 2015-01-01 39291414000000 2016-01-01 36648585415000