Year National Currency 2004-01-01 341530000000 2005-01-01 347212000000 2006-01-01 352655000000 2007-01-01 359552000000 2008-01-01 367468000000 2009-01-01 379474000000 2010-01-01 395385000000 2011-01-01 413357000000 2012-01-01 431489000000 2013-01-01 449787000000 2014-01-01 467803000000 2015-01-01 489774000000 2016-01-01 511110000000 2017-01-01 539469000000