Year National currency, Sum Over Component Sub-periods 1980-01-01 780000000 1981-01-01 1126000000 1982-01-01 1650000000 1983-01-01 1999000000 1984-01-01 2080000000 1985-01-01 2175000000 1986-01-01 2398000000 1987-01-01 2645000000 1988-01-01 3103000000 1989-01-01 3601000000 1990-01-01 3653000000 1991-01-01 4984000000 1992-01-01 4999000000 1993-01-01 5542000000 1994-01-01 5882000000 1995-01-01 6143000000 1996-01-01 6312000000 1997-01-01 6514000000 1998-01-01 6887000000 1999-01-01 5981000000 2000-01-01 3646000000 2001-01-01 4034000000 2002-01-01 3742000000 2003-01-01 3805000000 2004-01-01 3534000000 2005-01-01 3095000000 2006-01-01 3561000000 2007-01-01 2127000000 2008-01-01 2939000000 2009-01-01 1235000000 2010-01-01 1445000000 2011-01-01 442000000 2012-01-01 1530000000 2013-01-01 6107000000