Year	National Currency
1970-01-01	17629872412.2
1971-01-01	19434672423.6
1972-01-01	22107547303.9
1973-01-01	25415699884.6
1974-01-01	30662437885.1
1975-01-01	35927830809.8
1976-01-01	41325437217.1
1977-01-01	45785723615.0
1978-01-01	50247418312.0
1979-01-01	57373338816.0
1980-01-01	65378876296.0
1981-01-01	78802930499.0
1982-01-01	84697318086.0
1983-01-01	88407546102.0
1984-01-01	97347426453.0
1985-01-01	106937099822.0
1986-01-01	114717931381.0
1987-01-01	126560063258.0
1988-01-01	140025566059.0
1989-01-01	152237987945.0
1990-01-01	159876947509.0
1991-01-01	164513015274.0
1992-01-01	167928634406.0
1993-01-01	171778803280.0
1994-01-01	178603514145.0
1995-01-01	187094971073.0
1996-01-01	196127347084.0
1997-01-01	212409815986.0
1998-01-01	228572674630.0
1999-01-01	243033925779.0
2000-01-01	265020285605.0
2001-01-01	277368101683.0
2002-01-01	284451390449.0
2003-01-01	297043685607.0
2004-01-01	316737065383.0
2005-01-01	334878616378.0
2006-01-01	358238652391.0
2007-01-01	378762140627.0
2008-01-01	391381269894.0
2009-01-01	383482958985.0
2010-01-01	395941748372.0
