Year National currency, Sum Over Component Sub-periods 1960-01-01 -638000000 1961-01-01 -22000000 1962-01-01 -147000000 1963-01-01 -5000000 1964-01-01 -245000000 1965-01-01 -817000000 1966-01-01 -460000000 1967-01-01 -647000000 1968-01-01 -1032000000 1969-01-01 -604000000 1970-01-01 -515000000 1971-01-01 -496000000 1972-01-01 661000000 1973-01-01 621000000 1974-01-01 -1615000000 1975-01-01 -433000000 1976-01-01 -1162000000 1977-01-01 -2321000000 1978-01-01 -3510000000 1979-01-01 -1877000000 1980-01-01 -3264000000 1981-01-01 -6837000000 1982-01-01 -7479000000 1983-01-01 -6255000000 1984-01-01 -9341000000 1985-01-01 -12219000000 1986-01-01 -13578000000 1987-01-01 -10363000000 1988-01-01 -13260000000 1989-01-01 -23291000000 1990-01-01 -19978000000 1991-01-01 -13690000000 1992-01-01 -14153000000 1993-01-01 -13794000000 1994-01-01 -21667000000 1995-01-01 -25174000000 1996-01-01 -18406000000 1997-01-01 -16194000000 1998-01-01 -28403000000 1999-01-01 -33752000000 2000-01-01 -26363000000 2001-01-01 -15441000000 2002-01-01 -29239000000 2003-01-01 -44748000000 2004-01-01 -56127000000 2005-01-01 -56767000000 2006-01-01 -60085000000 2007-01-01 -76155000000 2008-01-01 -59649000000 2009-01-01 -59198000000 2010-01-01 -47559000000 2011-01-01 -40117000000 2012-01-01 -61823000000 2013-01-01 -45562000000