Year National currency, Sum Over Component Sub-periods 1987-01-01 -2509000000 1988-01-01 -229000000 1989-01-01 -2216000000 1990-01-01 -2189000000 1991-01-01 -1801000000 1992-01-01 -2842000000 1993-01-01 -2748000000 1994-01-01 -2813000000 1995-01-01 -3747000000 1996-01-01 -4744000000 1997-01-01 -5404000000 1998-01-01 -2943000000 1999-01-01 -5564000000 2000-01-01 -4002000000 2001-01-01 -1045000000 2002-01-01 -2855000000 2003-01-01 -3528000000 2004-01-01 -7050000000 2005-01-01 -11511000000 2006-01-01 -12173000000 2007-01-01 -12581000000 2008-01-01 -14638000000 2009-01-01 -4103000000 2010-01-01 -4524000000 2011-01-01 -5906000000 2012-01-01 -8590000000 2013-01-01 -7622000000