Year National Currency 2004-01-01 1497557000000 2005-01-01 1541888000000 2006-01-01 1674138000000 2007-01-01 1971667000000 2008-01-01 2177282000000 2009-01-01 2337621000000 2010-01-01 2807800000000 2011-01-01 3382399000000 2012-01-01 3614763000000 2013-01-01 4060039000000 2014-01-01 4887001000000 2015-01-01 6173455000000 2016-01-01 6679660000000