Year National currency, Sum Over Component Sub-periods 1975-01-01 -20000000 1976-01-01 -28000000 1977-01-01 -35000000 1978-01-01 -36000000 1979-01-01 -52000000 1980-01-01 -69000000 1981-01-01 -82000000 1982-01-01 -107000000 1983-01-01 -135000000 1984-01-01 -181000000 1985-01-01 -184000000 1986-01-01 -327000000 1987-01-01 -353000000 1988-01-01 -348000000 1989-01-01 -540000000 1990-01-01 -611000000 1991-01-01 -656000000 1992-01-01 -591000000 1993-01-01 -412000000 1994-01-01 -407000000 1995-01-01 -324000000 1996-01-01 -658000000 1997-01-01 -615000000 1998-01-01 -875000000 1999-01-01 -752000000 2000-01-01 -613000000 2001-01-01 -863000000 2002-01-01 -827000000 2003-01-01 -1020000000 2004-01-01 -947000000 2005-01-01 -1226000000 2006-01-01 -1358000000 2007-01-01 -1412000000 2008-01-01 -1613000000 2009-01-01 -1689000000 2010-01-01 -1660000000 2011-01-01 -1594000000 2012-01-01 -1335000000 2013-01-01 -2120000000