Year National currency, Sum Over Component Sub-periods 1975-01-01 17000000 1976-01-01 33000000 1977-01-01 66000000 1978-01-01 179000000 1979-01-01 161000000 1980-01-01 109000000 1981-01-01 218000000 1982-01-01 144000000 1983-01-01 -5000000 1984-01-01 -309000000 1985-01-01 -541000000 1986-01-01 -642000000 1987-01-01 -918000000 1988-01-01 -1273000000 1989-01-01 -1639000000 1990-01-01 -2074000000 1991-01-01 -2424000000 1992-01-01 -2197000000 1993-01-01 -2140000000 1994-01-01 -1599000000 1995-01-01 -1592000000 1996-01-01 -1625000000 1997-01-01 -1967000000 1998-01-01 -1752000000 1999-01-01 -1894000000 2000-01-01 -1868000000 2001-01-01 -33000000 2002-01-01 583000000 2003-01-01 -620000000 2004-01-01 468000000 2005-01-01 -606000000 2006-01-01 -1011000000 2007-01-01 467000000 2008-01-01 676000000 2009-01-01 389000000 2010-01-01 287000000 2011-01-01 133000000 2012-01-01 -1017000000 2013-01-01 421000000