Year	National Currency
2004-01-01	13157800600
2005-01-01	13962143000
2006-01-01	14971754400
2007-01-01	16432427100
2008-01-01	17614136300
2009-01-01	18295420800
2010-01-01	18985144700
2011-01-01	19172090200
2012-01-01	18855000000
2013-01-01	18615000000
2014-01-01	19672000000
2015-01-01	20595000000
2016-01-01	21969000000
2017-01-01	23389000000