Year National currency, Sum Over Component Sub-periods 1962-01-01 7000000 1964-01-01 11000000 1965-01-01 15000000 1966-01-01 16000000 1967-01-01 19000000 1968-01-01 34000000 1969-01-01 21000000 1970-01-01 5000000 1971-01-01 -2000000 1973-01-01 -38000000 1975-01-01 35000000 1976-01-01 20000000 1978-01-01 6000000 1979-01-01 23000000 1980-01-01 112000000 1981-01-01 88000000 1983-01-01 -225000000 1984-01-01 -357000000 1985-01-01 -388000000 1986-01-01 -84000000 1987-01-01 -579000000 1988-01-01 -554000000 1989-01-01 -553000000 1990-01-01 -828000000 1991-01-01 -1418000000 1992-01-01 -1042000000 1993-01-01 -2092000000 1994-01-01 -2160000000 1995-01-01 -2340000000 1996-01-01 -3206000000 1997-01-01 -3328000000 1998-01-01 -4094000000 1999-01-01 -5662000000 2000-01-01 -6422000000 2001-01-01 -6257000000 2002-01-01 -5844000000 2003-01-01 -7478000000 2004-01-01 -10869000000 2005-01-01 -15680000000 2006-01-01 -15768000000 2007-01-01 -16575000000 2008-01-01 -18906000000 2009-01-01 -22428000000 2010-01-01 -16762000000 2011-01-01 -14199000000