Year National currency, Sum Over Component Sub-periods 1995-01-01 1309000000 1996-01-01 1684000000 1997-01-01 1756000000 1998-01-01 1952000000 1999-01-01 2142000000 2000-01-01 2976000000 2001-01-01 2883000000 2002-01-01 3788000000 2003-01-01 3432000000 2004-01-01 3226000000 2005-01-01 3802000000 2006-01-01 4611000000 2007-01-01 4365000000 2008-01-01 4974000000 2009-01-01 4769000000 2010-01-01 5038000000 2011-01-01 5268000000 2012-01-01 5559000000 2013-01-01 5844000000