Year National currency, Sum Over Component Sub-periods 1960-01-01 24000000 1961-01-01 24000000 1962-01-01 27000000 1963-01-01 25000000 1964-01-01 29000000 1965-01-01 32000000 1966-01-01 32000000 1967-01-01 33000000 1968-01-01 38000000 1969-01-01 42000000 1970-01-01 47000000 1971-01-01 52000000 1972-01-01 54000000 1973-01-01 70000000 1974-01-01 84000000 1975-01-01 104000000 1976-01-01 154000000 1977-01-01 199000000 1978-01-01 217000000 1979-01-01 271000000 1980-01-01 424000000 1981-01-01 455000000 1982-01-01 473000000 1983-01-01 556000000 1984-01-01 625000000 1985-01-01 726000000 1986-01-01 780000000 1987-01-01 909000000 1988-01-01 869000000 1989-01-01 962000000 1990-01-01 1160000000 1991-01-01 1084000000 1992-01-01 1224000000 1993-01-01 1113000000 1994-01-01 1263000000 1995-01-01 1163000000 1996-01-01 1926000000 1997-01-01 1869000000 1998-01-01 1512000000 1999-01-01 1628000000 2000-01-01 2607000000 2001-01-01 3335000000 2002-01-01 2332000000 2003-01-01 2793000000 2004-01-01 3602000000 2005-01-01 4310000000 2006-01-01 4024000000 2007-01-01 4593000000 2008-01-01 5663000000 2009-01-01 5837000000 2010-01-01 6174000000 2011-01-01 6220000000 2012-01-01 6600000000 2013-01-01 7941000000