Year National currency, Sum Over Component Sub-periods 1975-01-01 311000000 1976-01-01 367000000 1977-01-01 478000000 1978-01-01 570000000 1979-01-01 663000000 1980-01-01 825000000 1981-01-01 1244000000 1982-01-01 1428000000 1983-01-01 1564000000 1984-01-01 1993000000 1985-01-01 2097000000 1986-01-01 1969000000 1987-01-01 2265000000 1988-01-01 2872000000 1989-01-01 3744000000 1990-01-01 4660000000 1991-01-01 4923000000 1992-01-01 5226000000 1993-01-01 5828000000 1994-01-01 5396000000 1995-01-01 5380000000 1996-01-01 5035000000 1997-01-01 5734000000 1998-01-01 6606000000 1999-01-01 7223000000 2000-01-01 9739000000 2001-01-01 10738000000 2002-01-01 9813000000 2003-01-01 10598000000 2004-01-01 10418000000 2005-01-01 11824000000 2006-01-01 13979000000 2007-01-01 17856000000 2008-01-01 16774000000 2009-01-01 9495000000 2010-01-01 11869000000 2011-01-01 13520000000 2012-01-01 13723000000 2013-01-01 14349000000