Year National Currency 2000-01-01 15151316337.6 2001-01-01 15349019455.7 2002-01-01 14476275757.9 2003-01-01 15366993032.0 2004-01-01 15218262409.9 2005-01-01 16986903991.0 2006-01-01 16098674808.9 2007-01-01 16252565828.6 2008-01-01 16859666201.8 2009-01-01 17628657350.5 2010-01-01 15403633250.8