Year National currency, Sum Over Component Sub-periods 1980-01-01 3001000000 1981-01-01 4381000000 1982-01-01 4363000000 1983-01-01 4726000000 1984-01-01 5614000000 1985-01-01 5734000000 1986-01-01 4652000000 1987-01-01 4918000000 1988-01-01 5092000000 1989-01-01 5518000000 1990-01-01 5064000000 1991-01-01 5560000000 1992-01-01 4694000000 1993-01-01 4361000000 1994-01-01 4478000000 1995-01-01 4524000000 1996-01-01 4641000000 1997-01-01 5673000000 1998-01-01 5933000000 1999-01-01 8033000000 2000-01-01 11092000000 2001-01-01 11541000000 2002-01-01 10433000000 2003-01-01 11113000000 2004-01-01 12653000000 2005-01-01 14201000000 2006-01-01 16154000000 2007-01-01 17446000000 2008-01-01 19813000000 2009-01-01 15318000000 2010-01-01 17082000000 2011-01-01 20231000000 2012-01-01 22021000000 2013-01-01 22535000000