Year National Currency 2009-01-01 9858747000 2010-01-01 11216503000 2011-01-01 11906000000 2012-01-01 13460394000 2013-01-01 17163302000 2014-01-01 17181720700 2015-01-01 18045233000 2016-01-01 20232467700