Year	National Currency
2004-01-01	6475657200
2005-01-01	6612160000
2006-01-01	7277519600
2007-01-01	8299975100
2008-01-01	8848693800
2009-01-01	11382481800
2010-01-01	10875938400
2011-01-01	12739120000
2012-01-01	15215487900
2013-01-01	18005537700
2014-01-01	8027723700
2015-01-01	15143000000