Year National Currency 2004-01-01 24200000000 2005-01-01 22700000000 2006-01-01 23300000000 2007-01-01 24000000000 2008-01-01 24800000000 2009-01-01 24200000000 2010-01-01 24900000000 2011-01-01 25900000000 2012-01-01 25400000000 2013-01-01 25800000000 2014-01-01 27800000000 2015-01-01 28500000000 2016-01-01 29300000000 2017-01-01 19900000000