Year	National Currency
1980-01-01	41680858983.1
1981-01-01	41725253218.0
1982-01-01	39036738370.5
1983-01-01	39507317256.6
1984-01-01	37269847832.9
1985-01-01	38530644096.0
1986-01-01	41032703157.0
1987-01-01	44243294204.0
1988-01-01	48435885720.0
1989-01-01	54631545101.0
1990-01-01	59040780481.0
1991-01-01	60255406740.0
1992-01-01	56565357960.0
1993-01-01	52749229555.0
1994-01-01	53306821141.0
1995-01-01	56604424887.0
1996-01-01	56226744265.0
1997-01-01	57520115017.0
1998-01-01	61461839897.0
1999-01-01	66541850849.0
2000-01-01	70455128513.0
2001-01-01	76490247541.0
2002-01-01	81295065164.0
2003-01-01	84848762849.0
2004-01-01	89174220311.0
2005-01-01	93808000000.0
2006-01-01	98215999999.0
2007-01-01	100678291260.0
2008-01-01	99092275693.0
2009-01-01	92938674268.0
2010-01-01	87056134082.0
