Year	National Currency
2004-01-01	28947700000
2005-01-01	31552400000
2006-01-01	30305600000
2007-01-01	31733500000
2008-01-01	30453900000
2009-01-01	28569300000
2010-01-01	26996800000
2011-01-01	20804700000
2012-01-01	17772900000
2013-01-01	16791200000
2014-01-01	16198500000
2015-01-01	17280600000
2016-01-01	16874200000
2017-01-01	17248500000