Year National currency, Sum Over Component Sub-periods 1987-01-01 201000000 1988-01-01 209000000 1989-01-01 220000000 1990-01-01 250000000 1991-01-01 255000000 1992-01-01 270000000 1993-01-01 252000000 1994-01-01 450000000 1995-01-01 460000000 1996-01-01 495000000 1997-01-01 576000000 1998-01-01 751000000 1999-01-01 832000000 2000-01-01 867000000 2001-01-01 1034000000 2002-01-01 1227000000 2003-01-01 1194000000 2004-01-01 1224000000 2005-01-01 1483000000 2006-01-01 1399000000 2007-01-01 1435000000 2008-01-01 1518000000 2009-01-01 1532000000 2010-01-01 1364000000 2011-01-01 1543000000 2012-01-01 1792000000 2013-01-01 1774000000