Year	National Currency
2004-01-01	3814834000000
2005-01-01	6705012000000
2006-01-01	8620627000000
2007-01-01	15681485000000
2008-01-01	10648122000000
2009-01-01	14171374000000
2010-01-01	18851037000000
2011-01-01	19161246000000
2012-01-01	17586362000000
2013-01-01	18720579000000
2014-01-01	21036721000000
2015-01-01	24234308000000
2016-01-01	27490919000000