Year	National Currency
2004-01-01	1864915000
2005-01-01	3458791000
2006-01-01	6088077000
2007-01-01	8481981000
2008-01-01	9064345000
2009-01-01	8614897000
2010-01-01	8120183000
2011-01-01	7490181000
2012-01-01	6577936000
2013-01-01	6033674000
2014-01-01	5606741000
2015-01-01	5375710000
2016-01-01	5287000000