Year National currency, Sum Over Component Sub-periods 1992-01-01 5899000000 1993-01-01 6167000000 1994-01-01 7435000000 1995-01-01 6887000000 1996-01-01 8548000000 1997-01-01 8906000000 1998-01-01 9263000000 1999-01-01 12208000000 2000-01-01 13482000000 2001-01-01 13822000000 2002-01-01 15015000000 2003-01-01 14616000000 2004-01-01 16241000000 2005-01-01 20829000000 2006-01-01 24540000000 2007-01-01 31169000000 2008-01-01 30372000000 2009-01-01 24910000000 2010-01-01 29626000000 2011-01-01 35402000000 2012-01-01 30475000000 2013-01-01 27850000000