Year National currency, Sum Over Component Sub-periods 1987-01-01 4487000000 1988-01-01 4808000000 1989-01-01 5292000000 1990-01-01 5555000000 1991-01-01 5921000000 1992-01-01 6651000000 1993-01-01 6469000000 1994-01-01 6706000000 1995-01-01 7104000000 1996-01-01 7064000000 1997-01-01 7333000000 1998-01-01 8306000000 1999-01-01 8579000000 2000-01-01 9942000000 2001-01-01 10406000000 2002-01-01 10422000000 2003-01-01 9963000000 2004-01-01 10975000000 2005-01-01 11853000000 2006-01-01 12408000000 2007-01-01 12863000000 2008-01-01 14409000000 2009-01-01 13497000000 2010-01-01 13891000000 2011-01-01 14981000000 2012-01-01 14990000000 2013-01-01 15010000000