Year	National Currency
2006-01-01	6800282900
2007-01-01	7110787400
2008-01-01	7124588800
2009-01-01	7312835700
2010-01-01	6769000000
2011-01-01	7003000000
2012-01-01	6792000000
2013-01-01	6742000000
2014-01-01	7068411400
2015-01-01	6022017800
2016-01-01	6256545600
2017-01-01	6620919900