Year National Currency 2008-01-01 4705700000 2009-01-01 4782254900 2010-01-01 4990084700 2011-01-01 5308115900 2012-01-01 5457500000 2013-01-01 6058000000 2014-01-01 6468900000 2015-01-01 6778000000 2016-01-01 7314300000