Year National Currency 2004-01-01 1569000000 2005-01-01 3146000000 2006-01-01 5224000000 2007-01-01 7141000000 2008-01-01 10057000000 2009-01-01 15832000000 2010-01-01 17954000000 2011-01-01 25220000000 2012-01-01 34263000000 2013-01-01 27455000000 2014-01-01 11824000000 2015-01-01 12478000000 2016-01-01 13123000000 2017-01-01 8060000000