Year National currency, Sum Over Component Sub-periods 1963-01-01 257000000 1964-01-01 193000000 1965-01-01 249000000 1966-01-01 309000000 1967-01-01 354000000 1968-01-01 501000000 1969-01-01 446000000 1970-01-01 621000000 1971-01-01 730000000 1972-01-01 482000000 1973-01-01 1113000000 1974-01-01 1886000000 1975-01-01 1521000000 1976-01-01 1657000000 1977-01-01 2551000000 1978-01-01 1967000000 1979-01-01 3037000000 1980-01-01 4365000000 1981-01-01 2939000000 1982-01-01 3034000000 1983-01-01 3393000000 1984-01-01 -181000000 1985-01-01 4514000000 1986-01-01 5850000000 1987-01-01 9595000000 1988-01-01 12655000000 1989-01-01 19228000000 1990-01-01 19132000000 1991-01-01 9197000000 1992-01-01 9416000000 1993-01-01 10943000000 1994-01-01 7099000000 1995-01-01 13831000000 1996-01-01 17564000000 1997-01-01 22900000000 1998-01-01 45054000000 1999-01-01 55066000000 2000-01-01 80566000000 2001-01-01 37348000000 2002-01-01 16782000000 2003-01-01 16776000000 2004-01-01 31208000000 2005-01-01 97845000000 2006-01-01 84889000000 2007-01-01 99974000000 2008-01-01 48427000000 2009-01-01 48979000000 2010-01-01 32111000000 2011-01-01 31917000000 2012-01-01 28991000000 2013-01-01 25580000000