Year National Currency 2005-01-01 158669527000 2006-01-01 313491045100 2007-01-01 560690079600 2008-01-01 933825070700 2009-01-01 1451754264100 2010-01-01 1509460209000 2011-01-01 1957489742000 2012-01-01 2033426444000