Year	National Currency
1970-01-01	48681600177553.0
1971-01-01	56206605805817.6
1972-01-01	64522358130300.9
1973-01-01	79827956032059.5
1974-01-01	99887832964152.6
1975-01-01	115786567430610.0
1976-01-01	129702361924363.0
1977-01-01	144534450865360.0
1978-01-01	156842009276819.0
1979-01-01	168003408576314.0
1980-01-01	180070180689339.0
1981-01-01	192392437364000.0
1982-01-01	201394415338528.0
1983-01-01	208870018437740.0
1984-01-01	217521075124393.0
1985-01-01	224743337149966.0
1986-01-01	233100122164593.0
1987-01-01	241563163427000.0
1988-01-01	254316875679263.0
1989-01-01	270577555128445.0
1990-01-01	283916717000000.0
1991-01-01	304028279000000.0
1992-01-01	311464266000000.0
1993-01-01	315023981000000.0
1994-01-01	319909964000000.0
1995-01-01	325873579000000.0
1996-01-01	328514514000000.0
1997-01-01	335832529000000.0
1998-01-01	331454856000000.0
1999-01-01	323352877000000.0
2000-01-01	322580874000000.0
2001-01-01	318552652000000.0
2002-01-01	308689950000000.0
2003-01-01	303244404000000.0
2004-01-01	299878351000000.0
2005-01-01	300708501000000.0
2006-01-01	303096523000000.0
2007-01-01	300394003000000.0
2008-01-01	299490230000000.0
2009-01-01	285861590000000.0
2010-01-01	286647180000000.0