Year	National Currency
2004-01-01	4580700000
2005-01-01	5210689000
2006-01-01	5937369000
2007-01-01	6528882000
2008-01-01	6980987000
2009-01-01	6937556000
2010-01-01	7060575000
2011-01-01	7091117000
2012-01-01	7094681000
2013-01-01	7105000000
2014-01-01	6936000000
2015-01-01	6917000000
2016-01-01	6878000000