Year National Currency 1980-01-01 7375434074.2 1981-01-01 8155522357.1 1982-01-01 8994831535.4 1983-01-01 9803864530.7 1984-01-01 11125585261.3 1985-01-01 11600388705.1 1986-01-01 12397916979.8 1987-01-01 13031269710.5 1988-01-01 13704042938.8 1989-01-01 14945844662.7 1990-01-01 16355857433.9 1991-01-01 18167990922.3 1992-01-01 20176514993.9 1993-01-01 21731943039.4 1994-01-01 22748044310.2 1995-01-01 23169787500.0 1996-01-01 24164587378.6 1997-01-01 25776972222.2 1998-01-01 27054668094.2 1999-01-01 29238036809.9 2000-01-01 31757534615.3 2001-01-01 34424913957.9 2002-01-01 35281984790.9 2003-01-01 35984254826.2 2004-01-01 37390863039.6 2005-01-01 39172999999.5 2006-01-01 41805114983.4 2007-01-01 45314781457.0 2008-01-01 48077606013.0 2009-01-01 48877387097.0 2010-01-01 49645031348.0