Year National currency, Sum Over Component Sub-periods 1980-01-01 1029000000 1981-01-01 1553000000 1982-01-01 1600000000 1983-01-01 1589000000 1984-01-01 1663000000 1985-01-01 1840000000 1986-01-01 1600000000 1987-01-01 1493000000 1988-01-01 1836000000 1989-01-01 2191000000 1990-01-01 2348000000 1991-01-01 2573000000 1992-01-01 2853000000 1993-01-01 3008000000 1994-01-01 3174000000 1995-01-01 3340000000 1996-01-01 3339000000 1997-01-01 3240000000 1998-01-01 3900000000 1999-01-01 8721000000 2000-01-01 12273000000 2001-01-01 12923000000 2002-01-01 10375000000 2003-01-01 9924000000 2004-01-01 11276000000 2005-01-01 11862000000 2006-01-01 13027000000 2007-01-01 14746000000 2008-01-01 16931000000 2009-01-01 14343000000 2010-01-01 15229000000 2011-01-01 13980000000 2012-01-01 12388000000 2013-01-01 10981000000