Year	National Currency
2004-01-01	2097022292
2005-01-01	2326879818
2006-01-01	2984161927
2007-01-01	4114167658
2008-01-01	5273864855
2009-01-01	7303706727
2010-01-01	11884016481
2011-01-01	12475455760
2012-01-01	10626574924
2013-01-01	10990354153