Year Number 2007-01-01 8816707.0000 2008-01-01 9376943.3900 2009-01-01 10151922.9373 2010-01-01 10921647.8104 2011-01-01 11803548.0000 2012-01-01 13499369.0000 2013-01-01 12820990.0000 2014-01-01 13239050.0000 2015-01-01 17419732.0000 2016-01-01 18221501.0000