Year National Currency 2008-01-01 7847138000 2009-01-01 6912311000 2010-01-01 6354546000 2011-01-01 5910610000 2012-01-01 5745556000 2013-01-01 5265053000 2014-01-01 5055900000 2015-01-01 4892700000 2016-01-01 6375000000