Year	National Currency
2004-01-01	328308000000
2005-01-01	333464000000
2006-01-01	335904000000
2007-01-01	344264000000
2008-01-01	361637000000
2009-01-01	374046000000
2010-01-01	393074000000
2011-01-01	406193000000
2012-01-01	417061000000
2013-01-01	430122000000
2014-01-01	444801000000
2015-01-01	463453000000
2016-01-01	489073000000
2017-01-01	511693000000