Year National currency, Sum Over Component Sub-periods 1981-01-01 0 1982-01-01 0 1983-01-01 0 1984-01-01 0 1985-01-01 0 1986-01-01 0 1987-01-01 0 1988-01-01 0 1989-01-01 0 1990-01-01 0 1991-01-01 0 1992-01-01 0 1993-01-01 0 1994-01-01 0 1995-01-01 0 1996-01-01 0 1997-01-01 558000000 1998-01-01 0 1999-01-01 450000000 2000-01-01 -818000000 2001-01-01 -25000000 2002-01-01 -27000000 2003-01-01 5000000 2004-01-01 7000000 2005-01-01 -70000000 2006-01-01 -80000000 2007-01-01 -29000000 2008-01-01 -25000000 2009-01-01 -294000000 2010-01-01 -293000000 2011-01-01 70000000 2012-01-01 80000000 2013-01-01 0