Year National Currency 2004-01-01 253000000 2005-01-01 317000000 2006-01-01 394000000 2007-01-01 492000000 2008-01-01 633000000 2009-01-01 817000000 2010-01-01 1170000000 2011-01-01 1579000000 2012-01-01 1920000000