Year	National Currency
2004-01-01	10764500000
2005-01-01	13799200000
2006-01-01	15062500000
2007-01-01	16034300000
2008-01-01	15195500000
2009-01-01	13134800000
2010-01-01	12720200000
2011-01-01	8207000000
2012-01-01	9835100000
2013-01-01	8826800000
2014-01-01	6222552500
2015-01-01	7725725400
2016-01-01	6540893900