Year National Currency 2004-01-01 5720466800 2005-01-01 5471008300 2006-01-01 4714088200 2007-01-01 6119989200 2008-01-01 7675572800 2009-01-01 13942632400 2010-01-01 16004929600 2011-01-01 17098483900 2012-01-01 18380716200 2013-01-01 20010111900 2014-01-01 22342287700 2015-01-01 24544575900 2016-01-01 24777071700