Year National currency, Sum Over Component Sub-periods 1980-01-01 784000000 1981-01-01 1130000000 1982-01-01 1654000000 1983-01-01 2003000000 1984-01-01 2084000000 1985-01-01 2179000000 1986-01-01 2406000000 1987-01-01 2654000000 1988-01-01 3114000000 1989-01-01 3613000000 1990-01-01 3662000000 1991-01-01 4997000000 1992-01-01 5009000000 1993-01-01 5556000000 1994-01-01 5904000000 1995-01-01 6166000000 1996-01-01 6336000000 1997-01-01 6551000000 1998-01-01 7320000000 1999-01-01 6876000000 2000-01-01 5831000000 2001-01-01 6511000000 2002-01-01 5899000000 2003-01-01 6399000000 2004-01-01 6272000000 2005-01-01 6881000000 2006-01-01 7017000000 2007-01-01 7072000000 2008-01-01 7059000000 2009-01-01 5351000000 2010-01-01 5921000000 2011-01-01 4311000000 2012-01-01 5213000000 2013-01-01 9327000000