Year National Currency 2004-01-01 546000000 2005-01-01 587000000 2006-01-01 683000000 2007-01-01 832000000 2008-01-01 1019000000 2009-01-01 1214000000 2010-01-01 1438000000 2011-01-01 1867000000 2012-01-01 3179000000