Year	National Currency
2007-01-01	2567260800
2008-01-01	2535840400
2009-01-01	3972964800
2010-01-01	4003593600
2011-01-01	3910890300
2012-01-01	3908374100
2013-01-01	3985303900
2014-01-01	4505213600
2015-01-01	4107200100
2016-01-01	4643969300