Year National Currency 2004-01-01 10981359500 2005-01-01 12259855700 2006-01-01 13734557500 2007-01-01 16433921200 2008-01-01 17691259600 2009-01-01 19130792100 2010-01-01 20542610000 2011-01-01 22313309000 2012-01-01 23727588100 2013-01-01 25089654200 2014-01-01 26928000000 2015-01-01 28975000000 2016-01-01 30737000000 2017-01-01 32909000000