Year Dollars 1997-01-01 659084 2003-01-01 514030 2004-01-01 79080 2007-01-01 214116 2008-01-01 396219 2010-01-01 551759 2011-01-01 522367 2012-01-01 56271 2013-01-01 214619 2014-01-01 462231 2015-01-01 734359 2016-01-01 645092