Year National currency, Sum Over Component Sub-periods 1987-01-01 308000000 1988-01-01 423000000 1989-01-01 474000000 1990-01-01 494000000 1991-01-01 578000000 1992-01-01 578000000 1993-01-01 539000000 1994-01-01 589000000 1995-01-01 651000000 1996-01-01 732000000 1997-01-01 813000000 1998-01-01 826000000 1999-01-01 899000000 2000-01-01 912000000 2001-01-01 862000000 2002-01-01 772000000 2003-01-01 963000000 2004-01-01 1216000000 2005-01-01 1332000000 2006-01-01 1334000000 2007-01-01 1647000000 2008-01-01 1685000000 2009-01-01 1407000000 2010-01-01 1503000000 2011-01-01 1687000000 2012-01-01 1745000000 2013-01-01 1625000000