Year	National Currency
1988-01-01	31054818939.5
1989-01-01	32291060580.1
1990-01-01	34148891642.5
1991-01-01	34911790816.2
1992-01-01	34801715947.6
1993-01-01	34317124592.6
1994-01-01	35211327792.1
1995-01-01	37029521722.4
1996-01-01	37617561976.2
1997-01-01	38748063790.3
1998-01-01	40048394058.0
1999-01-01	41789388896.7
2000-01-01	44404540247.0
2001-01-01	45719183169.0
2002-01-01	45691353295.0
2003-01-01	45754013261.0
2004-01-01	47478891854.0
2005-01-01	49111828000.0
2006-01-01	52465668999.0
2007-01-01	56174706959.0
2008-01-01	58270816604.0
2009-01-01	51272756477.0
2010-01-01	54175957897.0