Year	National Currency
1975-01-01	9005952254.6
1976-01-01	8322320702.4
1977-01-01	8441062776.3
1978-01-01	8337307566.1
1979-01-01	8299263988.9
1980-01-01	8899891372.9
1981-01-01	8716590501.4
1982-01-01	9084345080.2
1983-01-01	9425584438.5
1984-01-01	9022091954.0
1985-01-01	9105096122.3
1986-01-01	9219226853.6
1987-01-01	9272257294.4
1988-01-01	9972028546.1
1989-01-01	11283955538.6
1990-01-01	11147920929.6
1991-01-01	10048115700.4
1992-01-01	9228449538.9
1993-01-01	8242775041.1
1994-01-01	7401205001.9
1995-01-01	6611512567.8
1996-01-01	7373536945.8
1997-01-01	8139019830.8
1998-01-01	8573638878.4
1999-01-01	8250844890.7
2000-01-01	8284277125.2
2001-01-01	7597187065.7
2002-01-01	7707859290.1
2003-01-01	8165535051.0
2004-01-01	8699297966.4
2005-01-01	9127000000.0
2006-01-01	9382929518.8
2007-01-01	9736850069.5
2008-01-01	9718404698.7
2009-01-01	8989812555.4
2010-01-01	9434807123.9