Year	National Currency
2008-01-01	1702485000
2009-01-01	1745524000
2010-01-01	3137198000
2011-01-01	4414733000
2012-01-01	5662744000
2013-01-01	7616682000
2014-01-01	7960182000
2015-01-01	9850972000
2016-01-01	13019375000
2017-01-01	15856000000