Year National Currency 2004-01-01 19576827000 2005-01-01 24496880000 2006-01-01 31947099000 2007-01-01 30265923000 2008-01-01 31361891000 2009-01-01 23378253000 2010-01-01 18483647000 2011-01-01 23549436000 2012-01-01 20391568000 2013-01-01 28416191000 2014-01-01 34517000000 2015-01-01 30241000000 2016-01-01 37877000000