Year National Currency 2004-01-01 1364000000 2005-01-01 2756000000 2006-01-01 4155000000 2007-01-01 5256000000 2008-01-01 6744000000 2009-01-01 8437000000 2010-01-01 12821000000 2011-01-01 19718000000 2012-01-01 28634000000 2013-01-01 23235000000 2014-01-01 7409000000 2015-01-01 7961000000 2016-01-01 8278000000 2017-01-01 5106000000