Year National Currency 2009-01-01 4707000000 2010-01-01 7606000000 2011-01-01 8285000000 2012-01-01 16739798000 2013-01-01 25170586000 2014-01-01 30745801000 2015-01-01 41174906000 2016-01-01 62271886000