Year National currency, Sum Over Component Sub-periods 1980-01-01 1808000000 1981-01-01 2051000000 1982-01-01 1850000000 1983-01-01 1648000000 1984-01-01 1825000000 1985-01-01 1542000000 1986-01-01 1637000000 1987-01-01 2267000000 1988-01-01 2534000000 1989-01-01 2213000000 1990-01-01 2754000000 1991-01-01 3364000000 1992-01-01 3823000000 1993-01-01 4027000000 1994-01-01 4512000000 1995-01-01 3983000000 1996-01-01 4028000000 1997-01-01 5738000000 1998-01-01 6156000000 1999-01-01 6867000000 2000-01-01 8897000000 2001-01-01 9154000000 2002-01-01 10194000000 2003-01-01 11266000000 2004-01-01 15786000000 2005-01-01 15587000000 2006-01-01 15404000000 2007-01-01 16015000000 2008-01-01 16837000000 2009-01-01 13064000000 2010-01-01 13538000000 2011-01-01 14776000000 2012-01-01 14775000000 2013-01-01 16293000000