Year National Currency 2004-01-01 11009000000 2005-01-01 16251000000 2006-01-01 23846000000 2007-01-01 26779000000 2008-01-01 50388000000 2009-01-01 41112000000 2010-01-01 30650000000 2011-01-01 31940000000 2012-01-01 35425000000