Year National Currency 2004-01-01 2235448900 2005-01-01 2554984900 2006-01-01 2691311100 2007-01-01 2912855100 2008-01-01 3115873400 2009-01-01 3192409700 2010-01-01 3225131000 2011-01-01 3449792000 2012-01-01 3266294400