Year National Currency 2000-01-01 6083041008.5 2001-01-01 6270935500.7 2002-01-01 6759132295.1 2003-01-01 6707530344.7 2004-01-01 6831410181.6 2005-01-01 6885688404.3 2006-01-01 6977741982.4 2007-01-01 7546622948.7 2008-01-01 7572110069.9 2009-01-01 7149966024.0 2010-01-01 6891864846.4