Year National Currency 2004-01-01 6939776200 2005-01-01 3534756300 2006-01-01 351222800 2007-01-01 283218100 2008-01-01 161038900 2009-01-01 134734700 2010-01-01 165000000 2011-01-01 217000000 2012-01-01 236000000 2013-01-01 282000000 2014-01-01 317000000 2015-01-01 359000000 2016-01-01 367000000 2017-01-01 424000000