Year National currency, Sum Over Component Sub-periods 1975-01-01 82000000 1976-01-01 92000000 1977-01-01 107000000 1978-01-01 122000000 1979-01-01 161000000 1980-01-01 208000000 1981-01-01 302000000 1982-01-01 366000000 1983-01-01 456000000 1984-01-01 540000000 1985-01-01 575000000 1986-01-01 529000000 1987-01-01 459000000 1988-01-01 658000000 1989-01-01 538000000 1990-01-01 685000000 1991-01-01 810000000 1992-01-01 911000000 1993-01-01 980000000 1994-01-01 743000000 1995-01-01 1486000000 1996-01-01 1395000000 1997-01-01 1465000000 1998-01-01 1389000000 1999-01-01 1552000000 2000-01-01 1759000000 2001-01-01 1721000000 2002-01-01 1742000000 2003-01-01 1717000000 2004-01-01 1627000000 2005-01-01 1637000000 2006-01-01 1600000000 2007-01-01 1665000000 2008-01-01 1663000000 2009-01-01 1625000000 2010-01-01 1703000000 2011-01-01 2107000000 2012-01-01 2434000000 2013-01-01 1979000000