Year	National Currency
2004-01-01	6189188000
2005-01-01	6943776600
2006-01-01	8403907500
2007-01-01	9953151700
2008-01-01	12475139600
2009-01-01	13328000000
2010-01-01	15274799300
2011-01-01	17901187700
2012-01-01	20967053900
2013-01-01	26533000000
2014-01-01	29489000000
2015-01-01	26601000000
2016-01-01	31065000000