Year National Currency 2004-01-01 702000000 2005-01-01 682000000 2006-01-01 638000000 2007-01-01 574000000 2008-01-01 501000000 2009-01-01 495000000 2010-01-01 555000000 2011-01-01 668000000 2012-01-01 704000000