Year National currency, Sum Over Component Sub-periods 1960-01-01 -248000000 1961-01-01 -241000000 1962-01-01 -237000000 1963-01-01 -292000000 1964-01-01 -276000000 1965-01-01 -305000000 1966-01-01 -298000000 1967-01-01 -400000000 1968-01-01 -482000000 1969-01-01 -508000000 1970-01-01 -589000000 1971-01-01 -592000000 1972-01-01 -538000000 1973-01-01 -652000000 1974-01-01 -627000000 1975-01-01 -909000000 1976-01-01 -1283000000 1977-01-01 -1409000000 1978-01-01 -1586000000 1979-01-01 -2098000000 1980-01-01 -2239000000 1981-01-01 -2347000000 1982-01-01 -2303000000 1983-01-01 -3315000000 1984-01-01 -4499000000 1985-01-01 -6115000000 1986-01-01 -6910000000 1987-01-01 -7834000000 1988-01-01 -9972000000 1989-01-01 -14112000000 1990-01-01 -16544000000 1991-01-01 -15366000000 1992-01-01 -13596000000 1993-01-01 -12031000000 1994-01-01 -15267000000 1995-01-01 -18340000000 1996-01-01 -18283000000 1997-01-01 -18573000000 1998-01-01 -18157000000 1999-01-01 -18405000000 2000-01-01 -19132000000 2001-01-01 -20031000000 2002-01-01 -21286000000 2003-01-01 -23113000000 2004-01-01 -29798000000 2005-01-01 -36704000000 2006-01-01 -43065000000 2007-01-01 -49123000000 2008-01-01 -44393000000 2009-01-01 -47374000000 2010-01-01 -52584000000 2011-01-01 -49480000000 2012-01-01 -36621000000 2013-01-01 -36552000000