Year Dollars 2007-01-01 232249 2008-01-01 678602 2009-01-01 201868 2010-01-01 339358 2011-01-01 335628 2012-01-01 830737 2013-01-01 380351 2014-01-01 469679 2015-01-01 590938 2016-01-01 539043