Year National currency, Sum Over Component Sub-periods 1995-01-01 6264000000 1996-01-01 6094000000 1997-01-01 6870000000 1998-01-01 7700000000 1999-01-01 8063000000 2000-01-01 9404000000 2001-01-01 10097000000 2002-01-01 10063000000 2003-01-01 9688000000 2004-01-01 10893000000 2005-01-01 11847000000 2006-01-01 13137000000 2007-01-01 13427000000 2008-01-01 14494000000 2009-01-01 11043000000 2010-01-01 12344000000 2011-01-01 13801000000 2012-01-01 12648000000 2013-01-01 12912000000