Year National Currency 2006-01-01 459881000 2007-01-01 515396000 2008-01-01 546446000 2009-01-01 516921000 2010-01-01 494434000 2011-01-01 493520000 2012-01-01 455003000 2013-01-01 422513000 2014-01-01 428028000 2015-01-01 414174000 2016-01-01 442897000