Year National currency, Sum Over Component Sub-periods 1960-01-01 49000000 1961-01-01 -37000000 1962-01-01 -48000000 1963-01-01 -151000000 1964-01-01 64000000 1965-01-01 38000000 1966-01-01 -9000000 1967-01-01 7000000 1968-01-01 7000000 1969-01-01 -144000000 1970-01-01 7000000 1971-01-01 34000000 1972-01-01 46000000 1973-01-01 220000000 1974-01-01 327000000 1975-01-01 0 1976-01-01 798000000 1977-01-01 483000000 1978-01-01 106000000 1979-01-01 -110000000 1980-01-01 447000000 1981-01-01 4330000000 1982-01-01 7637000000 1983-01-01 4234000000 1984-01-01 6434000000 1985-01-01 4452000000 1986-01-01 9095000000 1987-01-01 4668000000 1988-01-01 5674000000 1989-01-01 7072000000 1990-01-01 1933000000 1991-01-01 -3046000000 1992-01-01 6958000000 1993-01-01 -1620000000 1994-01-01 -4088000000 1995-01-01 -4552000000 1996-01-01 -5252000000 1997-01-01 1564000000 1998-01-01 16290000000 1999-01-01 16253000000 2000-01-01 -1608000000 2001-01-01 7585000000 2002-01-01 15622000000 2003-01-01 6694000000 2004-01-01 -9856000000 2005-01-01 12935000000 2006-01-01 -10842000000 2007-01-01 33525000000 2008-01-01 7558000000 2009-01-01 -42204000000 2010-01-01 -47768000000 2011-01-01 -19330000000 2012-01-01 13671000000 2013-01-01 -22334000000