Year National Currency 2010-01-01 16105000000 2011-01-01 17482000000 2012-01-01 21035000000 2013-01-01 23268535500 2014-01-01 24332771000 2015-01-01 26117228100 2016-01-01 28151628200 2017-01-01 31013442100