Year Dollars 2004-01-01 36434 2006-01-01 183734 2008-01-01 110330 2009-01-01 110716 2010-01-01 47819 2011-01-01 62885 2012-01-01 155447 2013-01-01 307605 2014-01-01 25229 2015-01-01 78061 2016-01-01 60093