Year National currency, Sum Over Component Sub-periods 1981-01-01 3707000000 1982-01-01 5102000000 1983-01-01 5065000000 1984-01-01 5212000000 1985-01-01 5682000000 1986-01-01 6831000000 1987-01-01 7400000000 1988-01-01 7529000000 1989-01-01 7747000000 1990-01-01 8821000000 1991-01-01 9493000000 1992-01-01 19457000000 1993-01-01 20408000000 1994-01-01 21427000000 1995-01-01 21055000000 1996-01-01 18208000000 1997-01-01 20224000000 1998-01-01 22984000000 1999-01-01 24696000000 2000-01-01 25517000000 2001-01-01 30474000000 2002-01-01 32095000000 2003-01-01 34929000000 2004-01-01 35026000000 2005-01-01 38906000000 2006-01-01 35633000000 2007-01-01 39280000000 2008-01-01 40362000000 2009-01-01 47843000000 2010-01-01 50075000000 2011-01-01 52655000000 2012-01-01 53145000000 2013-01-01 64563000000