Year National Currency 1995-01-01 5880112699.3 1996-01-01 6908915335.8 1997-01-01 8096887348.8 1998-01-01 8747357873.4 1999-01-01 9160039981.3 2000-01-01 10538823171.3 2001-01-01 11176399006.7 2002-01-01 12144212216.9 2003-01-01 13271711342.9 2004-01-01 14606342867.3 2005-01-01 16133962683.1 2006-01-01 17860379855.2 2007-01-01 20316548425.3 2008-01-01 22027372883.4 2009-01-01 21741250008.1 2010-01-01 22235671621.8