Year Dollars 2003-01-01 521524 2006-01-01 509196 2007-01-01 435239 2008-01-01 930748 2009-01-01 593690 2010-01-01 684412 2011-01-01 2132076 2014-01-01 675025 2015-01-01 301748 2016-01-01 488254