Year National Currency 1979-01-01 6038686263.47611 1980-01-01 8242459698.71021 1981-01-01 6326242752.21307 1982-01-01 5733777228.00503 1983-01-01 7231054117.63539 1984-01-01 7761546260.65012 1985-01-01 7144291383.96476 1986-01-01 6844340218.98914 1987-01-01 9196849769.08718 1988-01-01 9789315293.29522 1989-01-01 10825510226.84740 1990-01-01 10904836154.77480 1991-01-01 18101185178.94190 1992-01-01 17771486790.99350 1993-01-01 18953938904.16190 1994-01-01 18073916891.21690 1995-01-01 17171584461.04230 1996-01-01 18378825926.68800 1997-01-01 19692661607.98610 1998-01-01 13205000000.00000 1999-01-01 13282000000.00000 2000-01-01 13171000000.00000 2001-01-01 15383000000.00000 2002-01-01 14016000000.00000 2003-01-01 11443000000.00000 2004-01-01 10271000000.00000 2005-01-01 10167000000.00000 2006-01-01 10201000000.00000 2007-01-01 11212000000.00000 2008-01-01 11241000000.00000 2009-01-01 16649000000.00000 2010-01-01 20094000000.00000