Year National currency, Sum Over Component Sub-periods 1960-01-01 8000000 1961-01-01 9000000 1962-01-01 10000000 1963-01-01 13000000 1964-01-01 14000000 1965-01-01 18000000 1966-01-01 21000000 1967-01-01 26000000 1968-01-01 23000000 1969-01-01 27000000 1970-01-01 28000000 1971-01-01 30000000 1972-01-01 38000000 1973-01-01 38000000 1974-01-01 54000000 1975-01-01 75000000 1976-01-01 66000000 1977-01-01 81000000 1978-01-01 92000000 1979-01-01 117000000 1980-01-01 124000000 1981-01-01 138000000 1982-01-01 174000000 1983-01-01 190000000 1984-01-01 207000000 1985-01-01 204000000 1986-01-01 213000000 1987-01-01 197000000 1988-01-01 228000000 1989-01-01 243000000 1990-01-01 335000000 1991-01-01 212000000 1992-01-01 243000000 1993-01-01 300000000 1994-01-01 321000000 1995-01-01 407000000 1996-01-01 330000000 1997-01-01 289000000 1998-01-01 327000000 1999-01-01 368000000 2000-01-01 539000000 2001-01-01 414000000 2002-01-01 421000000 2003-01-01 292000000 2004-01-01 264000000 2005-01-01 255000000 2006-01-01 142000000 2007-01-01 272000000 2008-01-01 504000000 2009-01-01 499000000 2010-01-01 377000000 2011-01-01 353000000 2012-01-01 397000000 2013-01-01 470000000