Year National currency, Sum Over Component Sub-periods 1960-01-01 -426000000 1961-01-01 -642000000 1962-01-01 -812000000 1963-01-01 -901000000 1964-01-01 -1016000000 1965-01-01 -1235000000 1966-01-01 -1687000000 1967-01-01 -2086000000 1968-01-01 -2270000000 1969-01-01 -2464000000 1970-01-01 -2531000000 1971-01-01 -2677000000 1972-01-01 -2738000000 1973-01-01 -3179000000 1974-01-01 -2543000000 1975-01-01 -2125000000 1976-01-01 -1430000000 1977-01-01 -1307000000 1978-01-01 -824000000 1979-01-01 2143000000 1980-01-01 4196000000 1981-01-01 3954000000 1982-01-01 -815000000 1983-01-01 -5059000000 1984-01-01 -7718000000 1985-01-01 -10184000000 1986-01-01 -13387000000 1987-01-01 -15007000000 1988-01-01 -24695000000 1989-01-01 -33275000000 1990-01-01 -57203000000 1991-01-01 -90631000000 1992-01-01 -101383000000 1993-01-01 -113688000000 1994-01-01 -111352000000 1995-01-01 -120845000000 1996-01-01 -115443000000 1997-01-01 -127919000000 1998-01-01 -149855000000 1999-01-01 -159633000000 2000-01-01 -219340000000 2001-01-01 -195450000000 2002-01-01 -189970000000 2003-01-01 -226370000000 2004-01-01 -183650000000 2005-01-01 -295630000000 2006-01-01 -284480000000 2007-01-01 -269210000000 2008-01-01 -242050000000 2009-01-01 -363700000000 2010-01-01 -590960000000