Year National currency, Sum Over Component Sub-periods 1960-01-01 772000000 1961-01-01 30000000 1962-01-01 277000000 1963-01-01 -15000000 1964-01-01 407000000 1965-01-01 931000000 1966-01-01 457000000 1967-01-01 821000000 1968-01-01 1025000000 1969-01-01 721000000 1970-01-01 672000000 1971-01-01 482000000 1972-01-01 -877000000 1973-01-01 -166000000 1974-01-01 1651000000 1975-01-01 1219000000 1976-01-01 1796000000 1977-01-01 2812000000 1978-01-01 3241000000 1979-01-01 2425000000 1980-01-01 3099000000 1981-01-01 6485000000 1982-01-01 7547000000 1983-01-01 5059000000 1984-01-01 8216000000 1985-01-01 13854000000 1986-01-01 15584000000 1987-01-01 12193000000 1988-01-01 13584000000 1989-01-01 22265000000 1990-01-01 18801000000 1991-01-01 13442000000 1992-01-01 13257000000 1993-01-01 13626000000 1994-01-01 21842000000 1995-01-01 25016000000 1996-01-01 17638000000 1997-01-01 17071000000 1998-01-01 27959000000 1999-01-01 33150000000 2000-01-01 25069000000 2001-01-01 14532000000 2002-01-01 28900000000 2003-01-01 43685000000 2004-01-01 54995000000 2005-01-01 55103000000 2006-01-01 58286000000 2007-01-01 74430000000 2008-01-01 58079000000 2009-01-01 57982000000 2010-01-01 46139000000 2011-01-01 38684000000 2012-01-01 62172000000 2013-01-01 45693000000