Year National Currency 2007-01-01 28391263000 2008-01-01 41420124900 2009-01-01 56737884000 2010-01-01 49895253000 2011-01-01 74985446400 2012-01-01 100883709700 2013-01-01 127404830800 2014-01-01 138702000000 2015-01-01 131965000000 2016-01-01 161217000000 2017-01-01 166953805300