Year National currency, Sum Over Component Sub-periods 1981-01-01 3707000000 1982-01-01 5102000000 1983-01-01 5065000000 1984-01-01 5212000000 1985-01-01 5682000000 1986-01-01 6831000000 1987-01-01 7400000000 1988-01-01 7529000000 1989-01-01 7747000000 1990-01-01 8821000000 1991-01-01 9493000000 1992-01-01 19457000000 1993-01-01 20408000000 1994-01-01 21345000000 1995-01-01 21138000000 1996-01-01 18283000000 1997-01-01 20226000000 1998-01-01 23045000000 1999-01-01 24532000000 2000-01-01 25648000000 2001-01-01 30534000000 2002-01-01 32361000000 2003-01-01 35105000000 2004-01-01 34819000000 2005-01-01 39390000000 2006-01-01 36079000000 2007-01-01 39446000000 2008-01-01 41341000000 2009-01-01 47890000000 2010-01-01 50700000000 2011-01-01 53444000000 2012-01-01 51087000000 2013-01-01 63382000000