Year National Currency 2004-01-01 340734100 2005-01-01 582444300 2006-01-01 926491500 2007-01-01 1830532300 2008-01-01 2581036600 2009-01-01 2819295300 2010-01-01 3281484300 2011-01-01 4158000000 2012-01-01 4476433400 2013-01-01 6155304000