Year	National Currency
2007-01-01	300000000
2008-01-01	1149000000
2009-01-01	2538000000
2010-01-01	1888000000
2011-01-01	3859000000
2012-01-01	11320000000
2013-01-01	13070000000
2014-01-01	11182000000
2015-01-01	17331000000
2016-01-01	19984000000