Year	National Currency
2007-01-01	4589000000000
2008-01-01	8794000000000
2009-01-01	17062000000000
2010-01-01	23310000000000
2011-01-01	23716000000000
2012-01-01	37450678000000
2013-01-01	12942482000000
2014-01-01	14069895000000
2015-01-01	26404516000000
2016-01-01	42693793000000
2017-01-01	52244719000000