Year National Currency 2004-01-01 8272200000 2005-01-01 5045800000 2006-01-01 5996574400 2007-01-01 8386951200 2008-01-01 10904112000 2009-01-01 10141300000 2010-01-01 11371758600 2011-01-01 11179329000 2012-01-01 12577600000 2013-01-01 14435700000 2014-01-01 15828000000 2015-01-01 18376300000 2016-01-01 20936700000 2017-01-01 22864400000