Year	National Currency
2004-01-01	332515000000
2005-01-01	372485000000
2006-01-01	409505000000
2007-01-01	441561000000
2008-01-01	407974000000
2009-01-01	429672000000
2010-01-01	515104000000
2011-01-01	530117000000
2012-01-01	519606000000
2013-01-01	507249000000
2014-01-01	498278000000
2015-01-01	510429000000
2016-01-01	512070000000