Year Dollars 2004-01-01 42603 2005-01-01 66068 2006-01-01 47639 2007-01-01 219796 2008-01-01 186204 2009-01-01 298881 2010-01-01 540685 2011-01-01 283070 2013-01-01 47818 2014-01-01 399859 2015-01-01 92190 2016-01-01 239635