Year National Currency 2004-01-01 24854665300 2005-01-01 21604335100 2006-01-01 18280524300 2007-01-01 18764509200 2008-01-01 24268051800 2009-01-01 31708540200 2010-01-01 38335886100 2011-01-01 41083487400 2012-01-01 44678576300 2013-01-01 44166057900 2014-01-01 50996941600