Year National Currency 2000-01-01 23707933413.0 2001-01-01 23126638376.9 2002-01-01 25291809349.0 2003-01-01 27633135125.2 2004-01-01 28818143994.2 2005-01-01 29981731118.6 2006-01-01 31990953865.0 2007-01-01 34794789779.1 2008-01-01 37165799600.8 2009-01-01 38384670873.5 2010-01-01 37929824170.6