Year	National Currency
1970-01-01	12949539243.5
1971-01-01	13807110928.8
1972-01-01	15296342678.6
1973-01-01	17251758135.0
1974-01-01	20180087238.3
1975-01-01	22299116276.8
1976-01-01	25513805326.0
1977-01-01	27710593336.2
1978-01-01	30949580713.8
1979-01-01	35036351535.2
1980-01-01	38410500761.7
1981-01-01	42902266349.0
1982-01-01	43966163594.0
1983-01-01	46379060702.0
1984-01-01	50298244691.0
1985-01-01	54006217385.0
1986-01-01	56814575173.0
1987-01-01	60371466698.0
1988-01-01	66358149262.0
1989-01-01	70342797390.0
1990-01-01	70688249323.0
1991-01-01	69708871589.0
1992-01-01	70784588315.0
1993-01-01	72254786955.0
1994-01-01	75458161700.0
1995-01-01	79583095423.0
1996-01-01	82387336914.0
1997-01-01	85486412228.0
1998-01-01	89738213442.0
1999-01-01	95725363602.0
2000-01-01	102204356714.0
2001-01-01	103373049034.0
2002-01-01	106112211056.0
2003-01-01	109144323128.0
2004-01-01	114510422593.0
2005-01-01	117233607145.0
2006-01-01	118481265208.0
2007-01-01	118688662953.0
2008-01-01	115281272854.0
2009-01-01	101361175796.0
2010-01-01	103881333880.0