Year National Currency 2004-01-01 5497765000 2005-01-01 5499790000 2006-01-01 7886471000 2007-01-01 9928064000 2008-01-01 12203524000 2009-01-01 13377819000 2010-01-01 17243973000 2011-01-01 20976687000 2012-01-01 25162000000 2013-01-01 30907000000 2014-01-01 34942000000 2015-01-01 46411000000 2016-01-01 46649000000