Year National currency, Sum Over Component Sub-periods 1990-01-01 15609000000 1991-01-01 16010000000 1992-01-01 16512000000 1993-01-01 18580000000 1994-01-01 21621000000 1995-01-01 25698000000 1996-01-01 27894000000 1997-01-01 32306000000 1998-01-01 37208000000 1999-01-01 41567000000 2000-01-01 52705000000 2001-01-01 56197000000 2002-01-01 54052000000 2003-01-01 45709000000 2004-01-01 49122000000 2005-01-01 54467000000 2006-01-01 58203000000 2007-01-01 64268000000 2008-01-01 57227000000 2009-01-01 45178000000 2010-01-01 46856000000 2011-01-01 48326000000 2012-01-01 49485000000 2013-01-01 49727000000