Year National Currency 2004-01-01 314939000000 2005-01-01 326968000000 2006-01-01 355656000000 2007-01-01 391366000000 2008-01-01 425813000000 2009-01-01 441118000000 2010-01-01 469407000000 2011-01-01 512060000000 2012-01-01 504302000000 2013-01-01 546746000000 2014-01-01 598708000000 2015-01-01 636658000000 2016-01-01 668193000000