Year National currency, Sum Over Component Sub-periods 1995-01-01 1835000000 1996-01-01 1786000000 1997-01-01 1748000000 1998-01-01 1594000000 1999-01-01 1755000000 2000-01-01 2946000000 2001-01-01 1998000000 2002-01-01 2451000000 2003-01-01 2200000000 2004-01-01 3355000000 2005-01-01 3471000000 2006-01-01 3457000000 2007-01-01 3758000000 2008-01-01 1999000000 2009-01-01 2449000000 2010-01-01 3092000000 2011-01-01 2841000000 2012-01-01 2628000000 2013-01-01 2512000000