Year	National Currency
2004-01-01	15953000000
2005-01-01	18545000000
2006-01-01	20351000000
2007-01-01	22762000000
2008-01-01	32768000000
2009-01-01	40854000000
2010-01-01	43695000000
2011-01-01	47294000000
2012-01-01	51542000000
2013-01-01	53223000000
2014-01-01	55430000000
2015-01-01	56630000000