Year National currency, Sum Over Component Sub-periods 1999-01-01 9647000000 2000-01-01 10736000000 2001-01-01 12172000000 2002-01-01 12767000000 2003-01-01 15412000000 2004-01-01 16362000000 2005-01-01 19796000000 2006-01-01 23560000000 2007-01-01 25677000000 2008-01-01 26741000000 2009-01-01 26182000000 2010-01-01 25112000000 2011-01-01 26027000000 2012-01-01 24688000000 2013-01-01 25520000000