Year Number 2005-01-01 4063031.0000 2006-01-01 5840305.0000 2007-01-01 8605173.0000 2008-01-01 9062827.0000 2009-01-01 9634460.0000 2010-01-01 9280009.7492 2011-01-01 10051829.0000 2012-01-01 10852444.0000 2013-01-01 14381086.0000 2014-01-01 17107058.0000 2015-01-01 23665733.0000