Year Number 2004-01-01 9474892.00 2005-01-01 10559318.00 2006-01-01 12324614.00 2007-01-01 14979824.00 2008-01-01 17736444.00 2009-01-01 17459028.00 2010-01-01 23595310.00 2011-01-01 19653459.71 2012-01-01 22720300.00 2013-01-01 22033313.00 2014-01-01 25342523.00 2015-01-01 26445797.00