Year National Currency 2004-01-01 4324000000 2005-01-01 5344000000 2006-01-01 6785936600 2007-01-01 8360572100 2008-01-01 8818725700 2009-01-01 9155138000 2010-01-01 9981926300 2011-01-01 10475435000 2012-01-01 10932902000 2013-01-01 11901595000 2014-01-01 12666213000 2015-01-01 13659049000 2016-01-01 14668847000 2017-01-01 15985836000