Year	National Currency
2004-01-01	287769100
2005-01-01	446054700
2006-01-01	816338300
2007-01-01	1957080400
2008-01-01	1436797400
2009-01-01	2229093000
2010-01-01	2844484400
2011-01-01	3551263200
2012-01-01	3995717800
2013-01-01	4035257900