Year	National Currency
1998-01-01	4002617090.74
1999-01-01	4994174278.60
2000-01-01	6505632963.20
2001-01-01	7528596706.00
2002-01-01	8376748421.40
2003-01-01	9279328413.60
2004-01-01	10513440912.00
2005-01-01	12604826899.20
2006-01-01	14300907498.90
2007-01-01	15650394367.00
2008-01-01	14187968861.20
2009-01-01	10137015587.00
2010-01-01	7419846298.40