Year	National Currency
2008-01-01	1391200000
2009-01-01	1698800000
2010-01-01	1900900000
2011-01-01	2136737000
2012-01-01	2534012000
2013-01-01	2564995000
2014-01-01	2761000000
2015-01-01	3335632000