Year National currency, Sum Over Component Sub-periods 1962-01-01 -73000000 1963-01-01 -61000000 1964-01-01 17000000 1965-01-01 328000000 1966-01-01 241000000 1967-01-01 246000000 1968-01-01 545000000 1969-01-01 274000000 1970-01-01 632000000 1971-01-01 823000000 1972-01-01 502000000 1973-01-01 77000000 1974-01-01 873000000 1975-01-01 1879000000 1976-01-01 1138000000 1977-01-01 -553000000 1978-01-01 -915000000 1979-01-01 -2481000000 1980-01-01 -1965000000 1981-01-01 3166000000 1982-01-01 4474000000 1983-01-01 1503000000 1984-01-01 1796000000 1985-01-01 -1980000000 1986-01-01 325000000 1987-01-01 -1250000000 1988-01-01 -1937000000 1989-01-01 -709000000 1990-01-01 -271000000 1991-01-01 538000000 1992-01-01 -3377000000 1993-01-01 -7924000000 1994-01-01 -1572000000 1995-01-01 -3059000000 1996-01-01 -10330000000 1997-01-01 -5099000000 1998-01-01 -8268000000 1999-01-01 -3029000000 2000-01-01 5008000000 2001-01-01 8397000000 2002-01-01 -5872000000 2003-01-01 21917000000 2004-01-01 35999000000 2005-01-01 12306000000 2006-01-01 16627000000 2007-01-01 34657000000 2008-01-01 91392000000 2009-01-01 424000000 2010-01-01 36232000000 2011-01-01 53875000000