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 6615000000 1998-01-01 6855000000 1999-01-01 5868000000 2000-01-01 3552000000 2001-01-01 3858000000 2002-01-01 3823000000 2003-01-01 3849000000 2004-01-01 3629000000 2005-01-01 3100000000 2006-01-01 3400000000 2007-01-01 1591000000 2008-01-01 2759000000 2009-01-01 1293000000 2010-01-01 199000000 2011-01-01 561000000 2012-01-01 1432000000 2013-01-01 4466000000