Year	National Currency
2008-01-01	32429000000
2009-01-01	30120000000
2010-01-01	28311000000
2011-01-01	29173000000
2012-01-01	30636000000
2013-01-01	30916000000
2014-01-01	32407000000
2015-01-01	31293000000
2016-01-01	27390000000