Year	National Currency
1975-01-01	12326326786.7
1976-01-01	14206081469.6
1977-01-01	15186260416.6
1978-01-01	15959691634.7
1979-01-01	18177343717.1
1980-01-01	21166249135.3
1981-01-01	24423453953.5
1982-01-01	27070583746.2
1983-01-01	29890267053.6
1984-01-01	33202034149.6
1985-01-01	36683649925.0
1986-01-01	39241873076.5
1987-01-01	42495441049.2
1988-01-01	46762405141.0
1989-01-01	52051431060.0
1990-01-01	56705064033.0
1991-01-01	56866865676.0
1992-01-01	53933841426.0
1993-01-01	50993941279.0
1994-01-01	51989427074.0
1995-01-01	55058055371.0
1996-01-01	57293468653.0
1997-01-01	60212875951.0
1998-01-01	64068131549.0
1999-01-01	67063198048.0
2000-01-01	71064301893.0
2001-01-01	75315231264.0
2002-01-01	77339293907.0
2003-01-01	79491783280.0
2004-01-01	82721152455.0
2005-01-01	86984561072.0
2006-01-01	91122113965.0
2007-01-01	96503233034.0
2008-01-01	103302855865.0
2009-01-01	101986413711.0
2010-01-01	104079591306.0