Year	National Currency
2000-01-01	31511983945.0
2001-01-01	31618346549.3
2002-01-01	35305974697.1
2003-01-01	39233685535.9
2004-01-01	41297034019.3
2005-01-01	43785248476.4
2006-01-01	46531994818.0
2007-01-01	51432796486.0
2008-01-01	53926921944.0
2009-01-01	55492844347.0
2010-01-01	54970245632.0