Year	National Currency
2004-01-01	1438997000
2005-01-01	2686418000
2006-01-01	4542359000
2007-01-01	7178870000
2008-01-01	8651478000
2009-01-01	8257040000
2010-01-01	7775058000
2011-01-01	7382832000
2012-01-01	7198142000
2013-01-01	7159659000
2014-01-01	7168008000
2015-01-01	7500602000
2016-01-01	8032232000
2017-01-01	8615000000