Year National currency, Sum Over Component Sub-periods 1960-01-01 -6000000 1961-01-01 -9000000 1962-01-01 -14000000 1963-01-01 -37000000 1964-01-01 -74000000 1965-01-01 -75000000 1966-01-01 -91000000 1967-01-01 -118000000 1968-01-01 -119000000 1969-01-01 -109000000 1970-01-01 -89000000 1971-01-01 -90000000 1972-01-01 -142000000 1973-01-01 -336000000 1974-01-01 -302000000 1975-01-01 -313000000 1976-01-01 -534000000 1977-01-01 -889000000 1978-01-01 -1420000000 1979-01-01 -1777000000 1980-01-01 -1653000000 1981-01-01 -1219000000 1982-01-01 -1476000000 1983-01-01 -1391000000 1984-01-01 -1566000000 1985-01-01 -2924000000 1986-01-01 -2094000000 1987-01-01 -3437000000 1988-01-01 -3293000000 1989-01-01 -4228000000 1990-01-01 -4802000000 1991-01-01 -999000000 1992-01-01 -5228000000 1993-01-01 -5056000000 1994-01-01 -5187000000 1995-01-01 -7363000000 1996-01-01 -4539000000 1997-01-01 -5525000000 1998-01-01 -8171000000 1999-01-01 -7322000000 2000-01-01 -9775000000 2001-01-01 -6392000000 2002-01-01 -8459000000 2003-01-01 -9569000000 2004-01-01 -9817000000 2005-01-01 -11746000000 2006-01-01 -11788000000 2007-01-01 -13456000000 2008-01-01 -13697000000 2009-01-01 -15060000000 2010-01-01 -20570000000 2011-01-01 -21709000000 2012-01-01 -22455000000 2013-01-01 -27628000000