Year National currency, Sum Over Component Sub-periods 1992-01-01 5896000000 1993-01-01 6165000000 1994-01-01 7432000000 1995-01-01 6886000000 1996-01-01 8550000000 1997-01-01 8904000000 1998-01-01 9266000000 1999-01-01 12214000000 2000-01-01 13498000000 2001-01-01 13827000000 2002-01-01 15027000000 2003-01-01 14607000000 2004-01-01 16215000000 2005-01-01 20753000000 2006-01-01 24421000000 2007-01-01 31034000000 2008-01-01 30323000000 2009-01-01 24944000000 2010-01-01 29568000000 2011-01-01 35398000000 2012-01-01 30507000000 2013-01-01 27898000000