Year	National Currency
1980-01-01	11064826916.7
1981-01-01	9217491170.4
1982-01-01	8378568358.9
1983-01-01	7810403354.4
1984-01-01	7595076279.6
1985-01-01	8054511771.0
1986-01-01	8229331772.3
1987-01-01	8506485433.1
1988-01-01	9623627880.9
1989-01-01	9972201908.1
1990-01-01	10606457401.0
1991-01-01	10711988987.0
1992-01-01	11044573380.0
1993-01-01	10565950327.5
1994-01-01	10692801426.0
1995-01-01	10976350940.4
1996-01-01	10610102627.9
1997-01-01	11085627826.2
1998-01-01	10989156825.5
1999-01-01	11418580837.5
2000-01-01	12080218231.8
2001-01-01	12209130808.1
2002-01-01	12027287240.3
2003-01-01	12108391179.0
2004-01-01	12595868536.6
2005-01-01	13027000000.1
2006-01-01	14136843371.1
2007-01-01	14462112851.4
2008-01-01	14441623435.3
2009-01-01	13954146077.7
2010-01-01	14019029228.7