Year National Currency 2004-01-01 890000000 2005-01-01 690000000 2006-01-01 3180000000 2007-01-01 2580000000 2008-01-01 2740000000 2009-01-01 4970000000 2010-01-01 14590000000 2011-01-01 21913000000 2012-01-01 35140000000