Year Dollars 2002-01-01 497732 2003-01-01 209315 2004-01-01 414341 2006-01-01 1425475 2010-01-01 1340714 2011-01-01 896852 2012-01-01 1245113 2013-01-01 1211497 2014-01-01 3546028 2015-01-01 1656720 2016-01-01 676101