Year National Currency 2004-01-01 5848000 2005-01-01 7874000 2006-01-01 9306000 2007-01-01 10444000 2008-01-01 11824000 2009-01-01 12023000 2010-01-01 12185000 2011-01-01 13019000 2012-01-01 14556000 2013-01-01 15822000 2014-01-01 17000000 2015-01-01 18220000 2016-01-01 18000000