Year National currency, Sum Over Component Sub-periods 1990-01-01 772000000 1991-01-01 231000000 1992-01-01 232000000 1993-01-01 443000000 1994-01-01 176000000 1995-01-01 718000000 1996-01-01 294000000 1997-01-01 274000000 1998-01-01 338000000 1999-01-01 314000000 2000-01-01 328000000 2001-01-01 370000000 2002-01-01 344000000 2003-01-01 541000000 2004-01-01 391000000 2005-01-01 434000000 2006-01-01 450000000 2007-01-01 510000000 2008-01-01 488000000 2009-01-01 1066000000 2010-01-01 386000000 2011-01-01 282000000 2012-01-01 425000000 2013-01-01 353000000