Year	National Currency
1980-01-01	17419523721.0
1981-01-01	18739280899.4
1982-01-01	20009255904.9
1983-01-01	21902037668.8
1984-01-01	22770577706.0
1985-01-01	23333010339.9
1986-01-01	26349150723.8
1987-01-01	29453725467.0
1988-01-01	31756380793.8
1989-01-01	35320484329.6
1990-01-01	40441959107.6
1991-01-01	44025271820.3
1992-01-01	47739786237.0
1993-01-01	49211982828.0
1994-01-01	50288713607.0
1995-01-01	52540465371.0
1996-01-01	55768475158.0
1997-01-01	60327883429.0
1998-01-01	63324436628.0
1999-01-01	65821576427.0
2000-01-01	69420244035.0
2001-01-01	73074598783.0
2002-01-01	74918758000.0
2003-01-01	77827764840.0
2004-01-01	79654086559.0
2005-01-01	82515104290.0
2006-01-01	86179271216.0
2007-01-01	90326805394.0
2008-01-01	94050724734.0
2009-01-01	83774156358.0
2010-01-01	81121580394.0
