Year	National Currency
2004-01-01	13517000000
2005-01-01	18122000000
2006-01-01	22418000000
2007-01-01	36845000000
2008-01-01	48679000000
2009-01-01	50615000000
2010-01-01	51462000000
2011-01-01	53263000000
2012-01-01	54928000000
2013-01-01	54993000000
2014-01-01	50617000000
2015-01-01	49769000000
2016-01-01	50226000000
2017-01-01	51814000000